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| pos | time | name | age | state/country | year | distance | 100k | 50k | 25k | yrs | km | ||
| 51 | 10:03:47 | Maria Abad | F | 42 | TX | 01/10/04 | 50 | . | . | 1 | . | 1 | 50 |
| 27 | 12:55:00 | Eric Abecassis | M | 42 | TX | 01/09/10 | 100 | . | 2 | . | . | 2 | 200 |
| 21 | 12:52:33 | Eric Abecassis | M | 41 | TX | 01/10/09 | 100 | . | 2 | . | . | 2 | 200 |
| 128 | 7:49:39 | Charles Abernathy | M | 39 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 44 | 14:27:04 | Fred Abramowitz | M | 57 | CO | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 118 | 9:50:47 | Kerstin Ackerman | F | 49 | TX | 01/10/09 | 50 | . | . | 1 | 1 | 2 | 75 |
| 152 | 5:34:54 | Kerstin Ackerman | F | 47 | TX | 01/05/08 | 25 | . | . | 1 | 1 | 2 | 75 |
| 91 | 6:53:51 | Ben Adair | M | 43 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 120 | 7:34:59 | Cristina Adams | F | 29 | NM | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 8 | 4:43:01 | Michael Adams | M | 39 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 82 | 3:08:03 | Nicki Adams | F | 31 | TX | 01/09/10 | 25 | . | . | . | 2 | 2 | 50 |
| 56 | 2:47:07 | Nicki Adams | F | 30 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 2 | 12:08:59 | Paul Adams | M | 45 | CO | 01/08/05 | 100 | . | 1 | . | . | 1 | 100 |
| 18 | 2:37:55 | James Adkins | M | 35 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 151 | 3:29:40 | Theresa Adkins | F | 28 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 9 | 2:18:31 | Justen Aguillon | M | 21 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 146 | 3:40:02 | Jaime Aguirre | M | 35 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 43 | 3:09:25 | Grant Ailie | M | 26 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 13 | 2:17:41 | Dan Aja | M | 42 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 35 | 7:12:42 | Bill Akin | M | 45 | TX | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 82 | 3:15:58 | Gina Alarcon | F | 27 | OK | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 133 | 8:01:29 | Alex Aldana | M | 42 | TX | 01/09/10 | 50 | dnf100km | . | 2 | . | 2 | 100 |
| 93 | 7:36:43 | Alex Aldana | M | 41 | CA | 01/10/09 | 50 | . | . | 2 | . | 2 | 100 |
| 153 | 5:44:57 | Lucila Aleman | F | 49 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 30 | 5:43:58 | Kristen Alex | F | 37 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 232 | 5:26:30 | Shelley Alexander | F | 40 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 117 | 3:12:08 | Laurie Allen | F | 38 | TX | 01/10/09 | 25 | . | . | . | 3 | 3 | 75 |
| 107 | 3:36:53 | Laurie Allen | F | 37 | TX | 01/05/08 | 25 | . | . | . | 3 | 3 | 75 |
| 94 | 3:42:59 | Laurie Allen | F | 36 | TX | 01/13/07 | 25 | . | . | . | 3 | 3 | 75 |
| 100 | 3:45:45 | Matthew Allen | M | 34 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 9 | 2:29:59 | Steve Allen | M | 48 | TX | 01/13/07 | 25 | . | . | . | 4 | 4 | 100 |
| 12 | 2:13:31 | Steve Allen | M | 47 | TX | 01/07/06 | 25 | . | . | . | 4 | 4 | 100 |
| 8 | 2:17:42 | Steve Allen | M | 46 | TX | 01/08/05 | 25 | . | . | . | 4 | 4 | 100 |
| 9 | 2:21:52 | Steve Allen | M | 45 | TX | 01/10/04 | 25 | . | . | . | 4 | 4 | 100 |
| 63 | 15:27:00 | Timothy Allen | M | 40 | TX | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 204 | 4:31:46 | Rick Allgeyer | M | 49 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| . | 9:42:10 | Fred Alllenbaugh | M | 36 | NC | 01/05/08 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 46 | 17:42:09 | Butch Allmon | M | 51 | TX | 01/13/07 | 100 | . | 1 | . | . | 1 | 100 |
| 152 | 8:27:00 | Donna Allmon | F | 52 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 112 | 7:25:26 | Jay Alvarez | M | 39 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 32 | 2:51:50 | Christopher Amaro | M | 48 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 16 | 6:12:22 | Erik Anderson | M | 50 | TX | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 142 | 4:52:42 | Kristin Anderson | F | 40 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 76 | 3:35:30 | Leif Anderson | M | 25 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 68 | 3:00:55 | Amanda Angel-Chun | F | 19 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 88 | 22:00:04 | Vincent Antunez | M | 47 | TX | 01/05/08 | 100 | . | 1 | . | . | 1 | 100 |
| 46 | 2:54:39 | Scott Appleton | M | 41 | TX | 01/05/08 | 25 | . | . | 1 | 5 | 6 | 175 |
| 33 | 3:02:42 | Scott Appleton | M | 40 | TX | 01/13/07 | 25 | . | . | 1 | 5 | 6 | 175 |
| 63 | 3:03:49 | Scott Appleton | M | 39 | TX | 01/07/06 | 25 | . | . | 1 | 5 | 6 | 175 |
| 49 | 7:54:36 | Scott Appleton | M | 38 | TX | 01/08/05 | 50 | . | . | 1 | 5 | 6 | 175 |
| 36 | 3:08:28 | Scott Appleton | M | 37 | TX | 01/10/04 | 25 | . | . | 1 | 5 | 6 | 175 |
| 35 | 3:14:55 | Scott Appleton | M | 36 | TX | 01/11/03 | 25 | . | . | 1 | 5 | 6 | 175 |
| 36 | 13:37:56 | Jennifer Aradi | F | 35 | IL | 01/09/10 | 100 | . | 2 | . | . | 2 | 200 |
| 79 | 16:10:33 | Jennifer Aradi | F | 34 | IL | 01/10/09 | 100 | . | 2 | . | . | 2 | 200 |
| 110 | 9:32:27 | Raymond Archambo | M | 32 | IL | 01/08/05 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 34 | 2:49:27 | John Armstrong | M | 28 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 229 | 5:06:18 | Robin Armstrong | F | 41 | TX | 01/10/09 | 25 | . | . | . | 4 | 4 | 100 |
| 145 | 5:05:06 | Robin Armstrong | F | 40 | TX | 01/05/08 | 25 | . | . | . | 4 | 4 | 100 |
| 135 | 4:31:35 | Robin Armstrong | F | 39 | TX | 01/13/07 | 25 | . | . | . | 4 | 4 | 100 |
| 106 | 4:11:54 | Robin Armstrong | F | 38 | TX | 01/07/06 | 25 | . | . | . | 4 | 4 | 100 |
| 140 | 9:23:50 | Bernard Arrambidez | M | 50 | TX | 01/09/10 | 50 | dnf100km | . | 4 | . | 4 | 200 |
| . | 9:20:45 | Bernard Arrambidez | M | 48 | TX | 01/05/08 | 50 | dnf100km | . | 4 | . | 4 | 200 |
| 107 | 9:25:07 | Bernard Arrambidez | M | 46 | TX | 01/07/06 | 50 | dnf100km | . | 4 | . | 4 | 200 |
| 43 | 7:44:37 | Bernard Arrambidez | M | 45 | TX | 01/08/05 | 50 | . | . | 4 | . | 4 | 200 |
| 94 | 3:51:05 | Maricela Arredondo | F | 36 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| . | 7:39:04 | Michael Arredondo | M | 38 | TX | 01/05/08 | 50 | dnf100km | . | 5 | . | 5 | 250 |
| . | 7:37:15 | Michael Arredondo | M | 37 | TX | 01/13/07 | 50 | dnf100km | . | 5 | . | 5 | 250 |
| 95 | 7:08:06 | Michael Arredondo | M | 35 | TX | 01/08/05 | 50 | dnf100km | . | 5 | . | 5 | 250 |
| 60 | 7:20:11 | Michael Arredondo | M | 34 | TX | 01/10/04 | 50 | dnf100km | . | 5 | . | 5 | 250 |
| 37 | 7:10:56 | Michael Arredondo | M | 33 | TX | 01/11/03 | 50 | . | . | 5 | . | 5 | 250 |
| 55 | 7:33:04 | Karl Arro | M | 35 | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 148 | 3:42:39 | Fred Arsement | M | 46 | LA | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 113 | 9:58:59 | Marie Asbell | F | 47 | TX | 01/08/05 | 50 | dnf100km | . | 2 | . | 2 | 100 |
| 49 | 9:13:37 | Marie Asbell | F | 46 | TX | 01/10/04 | 50 | . | . | 2 | . | 2 | 100 |
| 138 | 8:19:04 | Donna Ashmun | F | 53 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 11 | 2:32:53 | Richard Averett | M | 54 | CA | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 127 | 7:25:12 | Gabe Ayson | M | 61 | TX | 01/09/10 | 50 | dnf100km | 4 | 2 | . | 6 | 500 |
| 70 | 15:44:00 | Gabe Ayson | M | 60 | TX | 01/10/09 | 100 | . | 4 | 2 | . | 6 | 500 |
| 33 | 16:35:28 | Gabe Ayson | M | 58 | TX | 01/13/07 | 100 | . | 4 | 2 | . | 6 | 500 |
| 26 | 14:49:40 | Gabe Ayson | M | 57 | TX | 01/07/06 | 100 | . | 4 | 2 | . | 6 | 500 |
| 96 | 7:20:59 | Gabe Ayson | M | 56 | TX | 01/08/05 | 50 | dnf100km | 4 | 2 | . | 6 | 500 |
| 35 | 16:21:17 | Gabe Ayson | M | 55 | TX | 01/10/04 | 100 | . | 4 | 2 | . | 6 | 500 |
| . | 9:57:23 | Janice Ayson | F | 47 | TX | 01/13/07 | 50 | dnf100km | . | 2 | . | 2 | 100 |
| 114 | 10:12:15 | Janice Ayson | F | 45 | TX | 01/08/05 | 50 | dnf100km | . | 2 | . | 2 | 100 |
| 147 | 3:42:17 | Howard Baade | M | 34 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 52 | 6:08:07 | Charlie Baggett | M | 31 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 98 | 20:08:01 | Brenda Baker | F | 45 | TX | 01/09/10 | 100 | . | 3 | . | . | 3 | 300 |
| 108 | 20:34:19 | Brenda Baker | F | 44 | TX | 01/10/09 | 100 | . | 3 | . | . | 3 | 300 |
| 63 | 20:34:19 | Brenda Baker | F | 42 | TX | 01/13/07 | 100 | . | 3 | . | . | 3 | 300 |
| 62 | 8:23:55 | Monty Baker | M | 37 | TX | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 202 | 4:07:41 | Emily Balanoff | F | 36 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 164 | 3:35:39 | Adrian Balderrama | M | 32 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 1 | 1:50:20 | James Bales | M | 29 | TX | 01/10/09 | 25 | . | . | . | 3 | 3 | 75 |
| 1 | 1:56:03 | James Bales | M | 27 | TX | 01/13/07 | 25 | . | . | . | 3 | 3 | 75 |
| 1 | 1:45:20 | James Bales | M | 26 | TX | 01/07/06 | 25 | . | . | . | 3 | 3 | 75 |
| 103 | 3:46:11 | Christine Ballard | F | 53 | Wa | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 36 | 15:28:01 | Lynn Ballard | M | 51 | TX | 01/05/08 | 100 | . | 3 | . | . | 3 | 300 |
| 43 | 17:36:16 | Lynn Ballard | M | 50 | TX | 01/13/07 | 100 | . | 3 | . | . | 3 | 300 |
| 41 | 16:55:21 | Lynn Ballard | M | 49 | TX | 01/07/06 | 100 | . | 3 | . | . | 3 | 300 |
| 21 | 5:43:18 | Rachel Ballard | F | 44 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 131 | 6:32:49 | Ellen Balthazar | F | 51 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 46 | 18:01:58 | Jim Balthazar | M | 52 | TX | 01/07/06 | 100 | . | 2 | . | . | 2 | 200 |
| 39 | 17:44:02 | Jim Balthazar | M | 50 | TX | 01/10/04 | 100 | . | 2 | . | . | 2 | 200 |
| 75 | 6:30:56 | Dawn Banka | F | 37 | TX | 01/09/10 | 50 | . | . | 1 | 1 | 2 | 75 |
| 128 | 3:16:38 | Dawn Banka | F | 36 | TX | 01/10/09 | 25 | . | . | 1 | 1 | 2 | 75 |
| 50 | 6:06:38 | Joseph Barber | M | 26 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 71 | 9:25:58 | Bonnie Barlow | F | 27 | TX | 01/08/05 | 50 | . | . | 1 | . | 1 | 50 |
| 1 | 2:02:49 | Scott Barrows | M | 19 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 26 | 6:22:22 | Teresa Bartnicki | F | 31 | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 46 | 7:27:38 | Curtis Barton | M | 28 | TX | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 25 | 5:51:03 | Brett Bassham | M | 48 | TX | 01/10/09 | 50 | . | . | 2 | . | 2 | 100 |
| 14 | 6:00:53 | Brett Bassham | M | 44 | TX | 01/08/05 | 50 | . | . | 2 | . | 2 | 100 |
| 95 | 17:39:52 | Alberto Battaglino | M | 43 | TX | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 82 | 2:54:56 | Brian Baucher | M | 25 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 81 | 2:54:56 | Kristen Baucher | F | 25 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 73 | 3:19:24 | Leslie Bauer | F | 29 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 199 | 4:24:29 | Joyce Baumann | F | 57 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 31 | 5:45:28 | Vikki Baylis | F | 38 | Canada | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 98 | 3:50:55 | Matt Beahm | M | 28 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 72 | 4:58:50 | Dana Bean | F | 41 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 7 | 0:17:45 | Garrett Beard | M | 4 | TX | 01/09/10 | 1 | . | . | . | . | 0 | 0 |
| 14 | 0:19:40 | Garrett Beard | M | 3 | TX | 01/10/09 | 1 | . | . | . | . | 0 | 0 |
| 6 | 1:58:41 | John Beard | M | 40 | TX | 01/10/09 | 25 | . | 1 | 1 | 2 | 4 | 200 |
| 6 | 2:16:45 | John Beard | M | 39 | TX | 01/05/08 | 25 | . | 1 | 1 | 2 | 4 | 200 |
| 8 | 13:49:54 | John Beard | M | 42 | TX | 01/13/07 | 100 | . | 1 | 1 | 2 | 4 | 200 |
| 13 | 5:47:16 | John Beard | M | 41 | TX | 01/07/06 | 50 | . | 1 | 1 | 2 | 4 | 200 |
| 21 | 11:57:14 | Marcy Beard | F | 40 | TX | 01/09/10 | 100 | . | 5 | . | . | 5 | 500 |
| 9 | 11:44:04 | Marcy Beard | F | 39 | TX | 01/10/09 | 100 | . | 5 | . | . | 5 | 500 |
| 22 | 14:12:50 | Marcy Beard | F | 38 | TX | 01/05/08 | 100 | . | 5 | . | . | 5 | 500 |
| 47 | 17:49:29 | Marcy Beard | F | 37 | TX | 01/13/07 | 100 | . | 5 | . | . | 5 | 500 |
| 31 | 15:44:50 | Marcy Beard | F | 36 | TX | 01/07/06 | 100 | . | 5 | . | . | 5 | 500 |
| 129 | 5:33:38 | Ryan Beard | M | 33 | TX | 01/10/09 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 85 | 18:14:14 | Gary Beaty | M | 39 | TX | 01/09/10 | 100 | . | 1 | 1 | . | 2 | 150 |
| 56 | 8:04:36 | Gary Beaty | M | 37 | TX | 01/05/08 | 50 | . | 1 | 1 | . | 2 | 150 |
| 77 | 9:58:57 | Robert Beck | M | 66 | TX | 01/08/05 | 50 | . | . | 3 | . | 3 | 150 |
| 50 | 9:31:59 | Robert Beck | M | 65 | TX | 01/10/04 | 50 | . | . | 3 | . | 3 | 150 |
| 50 | 9:48:01 | Robert Beck | M | 64 | TX | 01/11/03 | 50 | . | . | 3 | . | 3 | 150 |
| 9 | 5:34:42 | Matthew Becker | M | 32 | KS | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 1 | 3:55:18 | Josh Beckham | M | 33 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 12 | 10:44:37 | Annette Bednosky | F | 43 | NC | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 99 | 20:08:02 | Susan Bell | F | 46 | TX | 01/09/10 | 100 | . | 3 | . | . | 3 | 300 |
| 109 | 20:34:21 | Susan Bell | F | 45 | TX | 01/10/09 | 100 | . | 3 | . | . | 3 | 300 |
| 62 | 20:34:16 | Susan Bell | F | 43 | TX | 01/13/07 | 100 | . | 3 | . | . | 3 | 300 |
| 59 | 4:17:22 | Raul Benavides | M | 37 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 117 | 9:36:35 | Peter Bennett | M | 34 | TX | 01/10/09 | 50 | . | . | 6 | . | 6 | 300 |
| 75 | 9:13:33 | Peter Bennett | M | 33 | TX | 01/05/08 | 50 | . | . | 6 | . | 6 | 300 |
| 80 | 10:05:20 | Peter Bennett | M | 32 | TX | 01/13/07 | 50 | . | . | 6 | . | 6 | 300 |
| 77 | 9:03:43 | Peter Bennett | M | 31 | TX | 01/07/06 | 50 | . | . | 6 | . | 6 | 300 |
| 67 | 8:20:04 | Peter Bennett | M | 29 | TX | 01/10/04 | 50 | dnf100km | . | 6 | . | 6 | 300 |
| 60 | 7:24:58 | Peter Bennett | M | 28 | TX | 01/11/03 | 50 | dnf100km | . | 6 | . | 6 | 300 |
| 68 | 3:07:23 | John Benson | M | 47 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 169 | 10:28:14 | Debra Bentley | F | 54 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 221 | 4:34:50 | Debra Bently | F | 53 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 140 | 8:05:58 | David Berdis | M | 50 | TX | 01/10/09 | 50 | dnf100km | 4 | 3 | . | 7 | 550 |
| 63 | 17:51:28 | David Berdis | M | 49 | TX | 01/05/08 | 100 | . | 4 | 3 | . | 7 | 550 |
| 50 | 18:03:21 | David Berdis | M | 48 | TX | 01/13/07 | 100 | . | 4 | 3 | . | 7 | 550 |
| 32 | 15:50:58 | David Berdis | M | 47 | TX | 01/07/06 | 100 | . | 4 | 3 | . | 7 | 550 |
| 94 | 6:56:07 | David Berdis | M | 46 | TX | 01/08/05 | 50 | dnf100km | 4 | 3 | . | 7 | 550 |
| 31 | 15:37:50 | David Berdis | M | 45 | TX | 01/10/04 | 100 | . | 4 | 3 | . | 7 | 550 |
| 59 | 7:18:19 | David Berdis | M | 44 | TX | 01/11/03 | 50 | dnf100km | 4 | 3 | . | 7 | 550 |
| 92 | 6:59:41 | James Berger | M | 53 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 44 | 2:49:03 | Robert Berger | M | 53 | TX | 01/09/10 | 25 | . | . | . | 4 | 4 | 100 |
| 51 | 2:41:55 | Robert Berger | M | 52 | TX | 01/10/09 | 25 | . | . | . | 4 | 4 | 100 |
| 33 | 2:47:54 | Robert Berger | M | 51 | TX | 01/05/08 | 25 | . | . | . | 4 | 4 | 100 |
| 41 | 2:44:08 | Robert Berger | M | 49 | TX | 01/07/06 | 25 | . | . | . | 4 | 4 | 100 |
| 64 | 3:17:53 | Ruth Berggren | F | 43 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 87 | 6:50:09 | Enrico Bernal | M | 39 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 133 | 3:18:33 | Ann Berry | F | 50 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 127 | 4:14:36 | Ann Berry | F | 48 | TX | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 10 | 5:39:24 | Jennifer Berry Keller | F | 33 | TX | 01/07/06 | 50 | . | . | 2 | . | 2 | 100 |
| 11 | 5:18:31 | Jennifer Berry Keller | F | 29 | TX | 01/11/03 | 50 | . | . | 2 | . | 2 | 100 |
| 80 | 6:35:44 | Deborah Bezanis | F | 52 | IL | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 76 | 16:48:24 | Naresh Bhagavatha | M | 32 | TX | 01/09/10 | 100 | . | 3 | . | . | 3 | 300 |
| 84 | 16:32:13 | Naresh Bhagavatha | M | 31 | TX | 01/10/09 | 100 | . | 3 | . | . | 3 | 300 |
| 82 | 20:39:48 | Naresh Bhagavatha | M | 30 | TX | 01/05/08 | 100 | . | 3 | . | . | 3 | 300 |
| 61 | 15:20:49 | Henry Bickerstaff | M | 54 | OK | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 143 | 3:39:16 | Rachael Biel | F | 32 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 34 | 6:10:20 | Andrew Bigelow | M | 24 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 102 | 18:40:54 | David Billman | M | 54 | TX | 01/10/09 | 100 | . | 1 | 3 | 1 | 5 | 275 |
| . | 8:17:23 | David Billman | M | 53 | TX | 01/05/08 | 50 | dnf100km | 1 | 3 | 1 | 5 | 275 |
| . | 7:50:28 | David Billman | M | 52 | TX | 01/13/07 | 50 | dnf100km | 1 | 3 | 1 | 5 | 275 |
| 78 | 3:27:08 | David Billman | M | 51 | TX | 01/07/06 | 25 | . | 1 | 3 | 1 | 5 | 275 |
| 36 | 7:21:17 | David Billman | M | 50 | TX | 01/08/05 | 50 | . | 1 | 3 | 1 | 5 | 275 |
| 86 | 10:27:44 | Paula Billman | F | 54 | TX | 01/05/08 | 50 | . | . | 1 | 2 | 3 | 100 |
| 121 | 4:50:18 | Paula Billman | F | 52 | TX | 01/07/06 | 25 | . | . | 1 | 2 | 3 | 100 |
| 107 | 4:11:34 | Paula Billman | F | 51 | TX | 01/08/05 | 25 | . | . | 1 | 2 | 3 | 100 |
| 104 | 7:17:45 | Russell Bilodeau | M | 57 | Canada | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 18 | 6:21:57 | Jimmu Bisese | M | 45 | DC | 01/05/08 | 50 | . | . | 1 | 1 | 2 | 75 |
| 19 | 2:29:38 | Jimmy Bisese | M | 42 | TX | 01/08/05 | 25 | . | . | 1 | 1 | 2 | 75 |
| 8 | 2:20:35 | Charles Bisontz | M | 36 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 93 | 9:54:40 | Lindsay Bissonnet | F | 27 | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 168 | 10:01:04 | Dave Black | M | 58 | CO | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 21 | 6:12:57 | Matthew Black | M | 39 | NM | 01/07/06 | 50 | . | . | 1 | 1 | 2 | 75 |
| 30 | 2:48:16 | Matthew Black | M | 38 | NM | 01/08/05 | 25 | . | . | 1 | 1 | 2 | 75 |
| 54 | 2:56:18 | Elizabeth Black-Wills | F | 43 | TX | 01/09/10 | 25 | . | . | . | 2 | 2 | 50 |
| 70 | 2:51:07 | Elizabeth Black-Wills | F | 42 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 57 | 3:16:09 | Molly Blake | F | 23 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 23 | 5:46:07 | John Blanchard | M | 50 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 86 | 9:30:38 | John Blaylock | M | 63 | CO | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 25 | 6:39:00 | Robert Bleich | M | 54 | TX | 01/13/07 | 50 | . | . | 2 | . | 2 | 100 |
| 27 | 6:27:16 | Robert Bleich | M | 53 | TX | 01/07/06 | 50 | . | . | 2 | . | 2 | 100 |
| 32 | 3:01:16 | Brian Blenden | M | 31 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 19 | 6:18:54 | Mark Blenden | M | 57 | TX | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 215 | 4:22:19 | Celina Bley | F | 32 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| . | 7:23:15 | Matthew Bliss | M | 29 | CA | 01/13/07 | 50 | dnf100km | . | 2 | . | 2 | 100 |
| 37 | 6:46:25 | Matthew Bliss | M | 28 | TX | 01/07/06 | 50 | . | . | 2 | . | 2 | 100 |
| 126 | 7:21:49 | George Blust | M | 40 | TX | 01/09/10 | 50 | dnf100km | 1 | 1 | . | 2 | 150 |
| 53 | 14:44:42 | George Blust | M | 39 | TX | 01/10/09 | 100 | . | 1 | 1 | . | 2 | 150 |
| 11 | 2:22:00 | Roy Bogar | M | 32 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 72 | 8:49:13 | Linda Boggs | F | 54 | TX | 01/13/07 | 50 | . | . | 1 | 2 | 3 | 100 |
| 92 | 3:43:54 | Linda Boggs | F | 53 | TX | 01/07/06 | 25 | . | . | 1 | 2 | 3 | 100 |
| 80 | 3:38:51 | Linda Boggs | F | 52 | TX | 01/08/05 | 25 | . | . | 1 | 2 | 3 | 100 |
| 27 | 5:37:48 | David Bogle | M | 39 | TX | 01/09/10 | 50 | . | . | 1 | 2 | 3 | 100 |
| 38 | 2:35:45 | David Bogle | M | 38 | TX | 01/10/09 | 25 | . | . | 1 | 2 | 3 | 100 |
| 23 | 2:39:31 | David Bogle | M | 37 | TX | 01/05/08 | 25 | . | . | 1 | 2 | 3 | 100 |
| 58 | 8:18:17 | Theresa Bone | F | 32 | CO | 01/08/05 | 50 | . | . | 1 | . | 1 | 50 |
| 24 | 5:46:47 | Ricardo Borecki | M | 31 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 11 | 5:42:21 | Shawn Bostad | M | 29 | TX | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 35 | 13:54:33 | Mariela Botella | F | 42 | TX | 01/10/09 | 100 | . | 4 | . | . | 4 | 400 |
| 24 | 14:29:41 | Mariela Botella | F | 41 | TX | 01/05/08 | 100 | . | 4 | . | . | 4 | 400 |
| 19 | 14:59:12 | Mariela Botella | F | 40 | TX | 01/13/07 | 100 | . | 4 | . | . | 4 | 400 |
| 11 | 14:04:50 | Mariela Botella | F | 38 | TX | 01/08/05 | 100 | . | 4 | . | . | 4 | 400 |
| 132 | 7:55:23 | Robert Botto | M | 60 | TX | 01/09/10 | 50 | . | . | 3 | . | 3 | 150 |
| 98 | 7:51:28 | Robert Botto | M | 59 | TX | 01/10/09 | 50 | . | . | 3 | . | 3 | 150 |
| 31 | 6:59:19 | Robert Botto | M | 57 | TX | 01/13/07 | 50 | . | . | 3 | . | 3 | 150 |
| . | 7:13:22 | Kevin Boudreaux | M | 32 | TX | 01/13/07 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 53 | 8:04:00 | Wayne Bowen | M | 58 | TX | 01/08/05 | 50 | . | . | 1 | . | 1 | 50 |
| 32 | 2:47:23 | Mark Bowland | M | 36 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 33 | 6:07:41 | Kelly Bowles | F | 48 | NM | 01/10/09 | 50 | . | . | 5 | 1 | 6 | 275 |
| 26 | 6:41:14 | Kelly Bowles | F | 47 | NM | 01/05/08 | 50 | . | . | 5 | 1 | 6 | 275 |
| 32 | 7:00:59 | Kelly Bowles | F | 46 | NM | 01/13/07 | 50 | . | . | 5 | 1 | 6 | 275 |
| 52 | 2:54:18 | Kelly Bowles | F | 45 | NM | 01/07/06 | 25 | . | . | 5 | 1 | 6 | 275 |
| 20 | 6:46:12 | Kelly Bowles | F | 43 | NM | 01/10/04 | 50 | . | . | 5 | 1 | 6 | 275 |
| 29 | 6:43:10 | Kelly Bowles | F | 42 | NM | 01/11/03 | 50 | . | . | 5 | 1 | 6 | 275 |
| 47 | 5:58:44 | Thomas Bowling | M | 47 | TX | 01/09/10 | 50 | . | . | 1 | 1 | 2 | 75 |
| 37 | 2:33:30 | Thomas Bowling | M | 46 | TX | 01/10/09 | 25 | . | . | 1 | 1 | 2 | 75 |
| 5 | 4:47:32 | David Boyd | M | 41 | TX | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 141 | 4:52:40 | Dianna Brackeen | F | 40 | TX | 01/05/08 | 25 | . | . | 1 | 3 | 4 | 125 |
| 134 | 4:29:48 | Dianna Brackeen | F | 39 | TX | 01/13/07 | 25 | . | . | 1 | 3 | 4 | 125 |
| 111 | 9:29:59 | Dianna Brackeen | F | 38 | TX | 01/07/06 | 50 | dnf100km | . | 1 | 3 | 4 | 125 |
| 112 | 4:23:37 | Dianna Brackeen | F | 37 | TX | 01/08/05 | 25 | . | . | 1 | 3 | 4 | 125 |
| 52 | 7:38:01 | Marv Bradley | M | 68 | CO | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 99 | 3:52:25 | Leon Bradshaw | M | 44 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 130 | 4:24:49 | Erik Brady | M | 26 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 167 | 3:40:40 | JoAnna Brand | F | 39 | TX | 01/10/09 | 25 | . | . | 1 | 1 | 2 | 75 |
| 153 | 8:57:29 | JoAnna Brand | F | 40 | TX | 01/09/10 | 50 | . | . | 1 | 1 | 2 | 75 |
| 29 | 2:43:36 | Brian Brandaw | M | 43 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 13 | 6:00:36 | Noelle Brandaw | F | 30 | TX | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 86 | 3:21:55 | Liz Brandt | F | 45 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 173 | 3:57:20 | Steve Breeding | M | 60 | KS | 01/09/10 | 25 | . | . | 1 | 1 | 2 | 75 |
| 65 | 8:26:13 | Steve Breeding | M | 57 | KS | 01/13/07 | 50 | . | . | 1 | 1 | 2 | 75 |
| 39 | 14:07:39 | Dan Brenden | M | 58 | AZ | 01/09/10 | 100 | . | 2 | . | . | 2 | 200 |
| 55 | 14:59:48 | Dan Brenden | M | 57 | AZ | 01/10/09 | 100 | . | 2 | . | . | 2 | 200 |
| 14 | 11:56:14 | James Breyfogle | M | 27 | NM | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| . | 7:42:54 | Ed Brickell | M | 48 | TX | 01/05/08 | 50 | dnf100km | . | 2 | . | 2 | 100 |
| . | 8:06:30 | Ed Brickell | M | 47 | TX | 01/13/07 | 50 | dnf100km | . | 2 | . | 2 | 100 |
| 64 | 8:00:19 | Catherine Bridge | F | 49 | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 87 | 18:27:42 | William Bridinger | M | 31 | TX | 01/09/10 | 100 | . | 1 | . | 1 | 2 | 125 |
| 20 | 2:21:58 | William Bridinger | M | 30 | TX | 01/10/09 | 25 | . | 1 | . | 1 | 2 | 125 |
| 91 | 18:43:47 | Brian Briggs | M | 44 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 22 | 2:22:25 | Larry Bright | M | 44 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 60 | 8:19:59 | Merrianne Brittain | F | 45 | AZ | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 134 | 3:19:29 | Janice Bronikowski | F | 38 | TX | 01/10/09 | 25 | . | . | . | 4 | 4 | 100 |
| 76 | 3:19:30 | Janice Bronikowski | F | 35 | TX | 01/07/06 | 25 | . | . | . | 4 | 4 | 100 |
| 100 | 3:52:27 | Janice Bronikowski | F | 34 | TX | 01/08/05 | 25 | . | . | . | 4 | 4 | 100 |
| 67 | 4:40:13 | Janice Bronikowski | F | 32 | TX | 01/11/03 | 25 | . | . | . | 4 | 4 | 100 |
| 120 | 3:54:27 | Michelle Brooks | F | 37 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 30 | 6:06:03 | Buddy Brown | M | 51 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 6 | 4:40:21 | David Brown | M | 31 | TX | 01/09/10 | 50 | . | . | 1 | 1 | 2 | 75 |
| 9 | 2:03:50 | David Brown | M | 30 | TX | 01/10/09 | 25 | . | . | 1 | 1 | 2 | 75 |
| 119 | 4:50:05 | Devin Brown | M | 14 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 44 | 3:10:17 | Ezra Brown | M | 34 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 91 | 3:41:36 | Gregory Brown | M | 45 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 207 | 4:14:42 | John Brown | M | 43 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 28 | 5:58:29 | Kyle Brown | M | 29 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 93 | 3:01:31 | Max Brown | M | 43 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 95 | 3:28:42 | Max Brown | M | 42 | TX | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 99 | 3:04:26 | Sarah Brown | F | 39 | TX | 01/10/09 | 25 | . | 2 | 1 | 2 | 5 | 300 |
| 41 | 2:52:15 | Sarah Brown | F | 38 | TX | 01/05/08 | 25 | . | 2 | 1 | 2 | 5 | 300 |
| 33 | 15:52:29 | Sarah Brown | F | 36 | TX | 01/07/06 | 100 | . | 2 | 1 | 2 | 5 | 300 |
| 44 | 7:46:26 | Sarah Brown | F | 35 | TX | 01/08/05 | 50 | . | 2 | 1 | 2 | 5 | 300 |
| 29 | 15:20:24 | Sarah Brown | F | 34 | TX | 01/10/04 | 100 | . | 2 | 1 | 2 | 5 | 300 |
| 212 | 4:45:40 | Shayne Brown | M | 41 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 90 | 3:11:26 | Michael Brumlik | M | 44 | TX | 01/09/10 | 25 | . | . | . | 3 | 3 | 75 |
| 83 | 2:54:59 | Michael Brumlik | M | 43 | TX | 01/10/09 | 25 | . | . | . | 3 | 3 | 75 |
| 34 | 3:03:15 | Michael Brumlik | M | 41 | TX | 01/13/07 | 25 | . | . | . | 3 | 3 | 75 |
| 89 | 3:11:01 | Jenny Bryant | F | 27 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 70 | 3:30:19 | Julie Bryant | F | 44 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 39 | 7:48:21 | Julie Bryant | F | 43 | TX | 01/10/04 | 50 | . | . | 1 | . | 1 | 50 |
| 109 | 9:32:27 | Paul Bryant | M | 34 | TX | 01/08/05 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 179 | 4:04:32 | Vicki Buch | F | 52 | TX | 01/09/10 | 25 | . | . | . | 2 | 2 | 50 |
| 179 | 3:43:56 | Vicki Buch | F | 51 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 69 | 16:13:22 | Jim Buchwalter | M | 52 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 26 | 5:36:03 | Mike Buck | M | 50 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 164 | 9:42:44 | Lori Buckley | F | 48 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 165 | 9:42:44 | Shawna Buckley | F | 28 | HI | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 24 | 14:46:42 | Marla Buechner | F | 51 | TX | 01/07/06 | 100 | . | 1 | . | . | 1 | 100 |
| 116 | 3:19:20 | Brett Buettner | M | 37 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 10 | 2:11:47 | Glenn Bugay | M | 39 | TX | 01/07/06 | 25 | . | . | . | 4 | 4 | 100 |
| 10 | 2:20:36 | Glenn Bugay | M | 38 | TX | 01/08/05 | 25 | . | . | . | 4 | 4 | 100 |
| 10 | 2:23:35 | Glenn Bugay | M | 37 | TX | 01/10/04 | 25 | . | . | . | 4 | 4 | 100 |
| 13 | 2:31:47 | Glenn Bugay | M | 36 | TX | 01/11/03 | 25 | . | . | . | 4 | 4 | 100 |
| 161 | 9:27:12 | Jane Bui | F | 32 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 15 | 2:29:27 | Michael Buonaugurio | M | 52 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 230 | 5:23:20 | Sonia Burdett | F | 44 | TX | 01/09/10 | 25 | . | . | 2 | 2 | 4 | 150 |
| 114 | 9:21:38 | Sonia Burdett | F | 43 | TX | 01/10/09 | 50 | . | . | 2 | 2 | 4 | 150 |
| 66 | 8:37:36 | Sonia Burdett | F | 42 | TX | 01/05/08 | 50 | . | . | 2 | 2 | 4 | 150 |
| 85 | 3:39:11 | Sonia Burdett | F | 41 | TX | 01/13/07 | 25 | . | . | 2 | 2 | 4 | 150 |
| 188 | 4:12:23 | Maria Burgess | F | 25 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 67 | 21:43:57 | Steve Burgess | M | 52 | MS | 01/13/07 | 100 | . | 2 | . | . | 2 | 200 |
| 57 | 20:45:15 | Steve Burgess | M | 51 | TX | 01/07/06 | 100 | . | 2 | . | . | 2 | 200 |
| 94 | 3:12:57 | Ryan Burkett | M | 25 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 148 | 5:08:24 | Deb Burley | F | 50 | TX | 01/05/08 | 25 | . | . | 1 | 4 | 5 | 150 |
| 81 | 9:07:25 | Deb Burley | F | 48 | TX | 01/07/06 | 50 | . | . | 1 | 4 | 5 | 150 |
| 113 | 4:26:24 | Deb Burley | F | 47 | TX | 01/08/05 | 25 | . | . | 1 | 4 | 5 | 150 |
| 55 | 3:56:15 | Deb Burley | F | 46 | TX | 01/10/04 | 25 | . | . | 1 | 4 | 5 | 150 |
| 70 | 4:55:36 | Deb Burley | F | 45 | TX | 01/11/03 | 25 | . | . | 1 | 4 | 5 | 150 |
| 105 | 3:16:23 | Oliver Burnette | M | 38 | MO | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 86 | 3:09:41 | Eric Burnod | M | 39 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 128 | 4:21:27 | Kenneth Burns | M | 71 | MI | 01/13/07 | 25 | . | . | 1 | 1 | 2 | 75 |
| 29 | 6:53:38 | Kenneth Burns | M | 69 | MI | 01/08/05 | 50 | . | . | 1 | 1 | 2 | 75 |
| 117 | 3:21:36 | Michael Burns | M | 38 | TX | 01/09/10 | 25 | . | . | . | 8 | 8 | 200 |
| 217 | 4:24:56 | Michael Burns | M | 37 | TX | 01/10/09 | 25 | . | . | . | 8 | 8 | 200 |
| 78 | 3:13:12 | Michael Burns | M | 36 | TX | 01/05/08 | 25 | . | . | . | 8 | 8 | 200 |
| 116 | 3:57:13 | Michael Burns | M | 35 | TX | 01/13/07 | 25 | . | . | . | 8 | 8 | 200 |
| 62 | 3:03:18 | Michael Burns | M | 34 | TX | 01/07/06 | 25 | . | . | . | 8 | 8 | 200 |
| 115 | 4:27:29 | Michael Burns | M | 33 | TX | 01/08/05 | 25 | . | . | . | 8 | 8 | 200 |
| 34 | 3:03:16 | Michael Burns | M | 32 | TX | 01/10/04 | 25 | . | . | . | 8 | 8 | 200 |
| 46 | 3:37:54 | Michael Burns | M | 31 | TX | 01/11/03 | 25 | . | . | . | 8 | 8 | 200 |
| 111 | 4:22:08 | Tiffany Burns | F | 29 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 109 | 3:49:41 | Tina Burqos | F | 38 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 34 | 2:46:06 | Mike Burris | M | 34 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 64 | 8:29:38 | Michelle Burt | F | 40 | TX | 01/05/08 | 50 | . | . | 1 | 1 | 2 | 75 |
| 111 | 3:50:57 | Michelle Burt | F | 39 | TX | 01/13/07 | 25 | . | . | 1 | 1 | 2 | 75 |
| 67 | 8:31:13 | Bill Burton | M | 51 | TX | 01/13/07 | 50 | . | . | 3 | 1 | 4 | 175 |
| 41 | 7:54:28 | Bill Burton | M | 48 | TX | 01/10/04 | 50 | . | . | 3 | 1 | 4 | 175 |
| 34 | 3:10:50 | Bill Burton | M | 47 | TX | 01/11/03 | 25 | . | . | 3 | 1 | 4 | 175 |
| . | 8:26:22 | William (Bill) Burton | M | 52 | TX | 01/05/08 | 50 | dnf100km | . | 3 | 1 | 4 | 175 |
| 126 | 5:19:25 | John Bush | M | 58 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 110 | 3:10:07 | Julie Butler | F | 36 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 97 | 3:44:31 | Julie Butler | F | 34 | TX | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 83 | 11:02:29 | Robert Butler | M | 32 | TX | 01/08/05 | 50 | . | . | 1 | . | 1 | 50 |
| 31 | 2:45:08 | Erik Buzzard | M | 46 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 53 | 7:52:00 | David Byers | M | 49 | TX | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 45 | 8:04:45 | Hiram Byrd | M | 55 | AR | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 10 | 2:32:24 | Mark Byrd | M | 44 | NC | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 17 | 2:40:59 | Mark Byrd | M | 40 | TX | 01/11/03 | 25 | . | . | . | 2 | 2 | 50 |
| 80 | 3:06:54 | Diane Byrne | F | 41 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 235 | 5:49:12 | Monique Cahill | F | 32 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 28 | 21:34:32 | Pete Cahill | M | . | TX | 01/11/03 | 100 | . | 1 | . | . | 1 | 100 |
| 139 | 3:36:27 | Jose Caicoya | M | 34 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 106 | 4:10:27 | Sue Caldwell | F | 55 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 8 | 2:18:29 | Eddie Calph | M | 38 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 162 | 3:34:42 | Erin Cambridge | F | 15 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 119 | 3:54:25 | Erin Cambridge | F | 14 | TX | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 82 | 11:02:29 | Darin Camp | M | 38 | TX | 01/08/05 | 50 | . | . | 1 | . | 1 | 50 |
| 239 | 6:13:50 | Becca Campa | F | 38 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 38 | 14:00:21 | Kristen Campbell | F | 38 | CO | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 106 | 3:16:25 | Brandon Canada | M | 35 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 117 | 3:54:04 | Ellis Canady | M | 32 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 75 | 8:59:28 | Gloria Canchola | F | 45 | TX | 01/07/06 | 50 | . | . | 2 | . | 2 | 100 |
| 68 | 9:25:58 | Gloria Canchola | F | 44 | TX | 01/08/05 | 50 | . | . | 2 | . | 2 | 100 |
| 87 | 3:41:05 | David Cannon | M | 41 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 88 | 3:41:05 | Lance Cannon | M | 19 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 64 | 7:57:00 | John Cappis | M | 60 | NM | 01/11/03 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 11 | 5:00:10 | Andres Capra | M | 36 | TX | 01/09/10 | 50 | . | . | 1 | 1 | 2 | 75 |
| 10 | 2:22:07 | Andres Capra | M | 34 | TX | 01/05/08 | 25 | . | . | 1 | 1 | 2 | 75 |
| 65 | 3:03:13 | John Caputo | M | 33 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 228 | 5:06:06 | Annetta Caricato | F | 46 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 104 | 8:30:57 | Sam Caricato | M | 50 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 16 | 2:36:41 | Matt Carl | M | 15 | TX | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 31 | 2:35:02 | Matt Carl | M | 14 | TX | 01/07/06 | 25 | . | . | . | 2 | 2 | 50 |
| 22 | 12:52:43 | Greg Carlson | M | 29 | TX | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 70 | 3:09:34 | Kelly Carper Erickson | F | 44 | TX | 01/07/06 | 25 | . | . | . | 2 | 2 | 50 |
| 35 | 3:03:36 | Kelly Carper Polden | F | 45 | TX | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 141 | 9:38:38 | Rick Carr | M | 53 | TX | 01/09/10 | 50 | dnf100km | . | 2 | . | 2 | 100 |
| 99 | 8:45:25 | Rick Carr | M | 48 | TX | 01/08/05 | 50 | dnf100km | . | 2 | . | 2 | 100 |
| 231 | 5:15:17 | Janna Carroll | F | 33 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 41 | 14:09:42 | Brian Carson | M | 33 | TX | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 3 | 2:09:01 | Lester Carson | M | 43 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 69 | 3:01:11 | Laurie Carswell | F | 30 | TX | 01/09/10 | 25 | . | . | . | 2 | 2 | 50 |
| 89 | 2:59:16 | Laurie Carswell | F | 29 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 133 | 3:34:18 | Matt Carswell | M | 35 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| . | 5:06:27 | Chris Castorena | M | 20 | TX | 01/05/08 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 24 | 2:50:55 | Cathleen Catlin | F | 22 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 38 | 2:48:00 | Sarah Cavazos | F | 34 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 14 | 5:49:29 | Frank Ceresa | M | 38 | TX | 01/07/06 | 50 | . | . | 1 | 1 | 2 | 75 |
| 14 | 2:24:25 | Frank Ceresa | M | 37 | TX | 01/08/05 | 25 | . | . | 1 | 1 | 2 | 75 |
| 136 | 7:31:39 | Chris Chandler | F | 52 | TX | 01/10/09 | 50 | dnf100km | 4 | 2 | . | 6 | 500 |
| 55 | 17:18:48 | Chris Chandler | F | 51 | TX | 01/05/08 | 100 | . | 4 | 2 | . | 6 | 500 |
| 53 | 18:13:48 | Chris Chandler | F | 50 | TX | 01/13/07 | 100 | . | 4 | 2 | . | 6 | 500 |
| 51 | 18:43:10 | Chris Chandler | F | 49 | TX | 01/07/06 | 100 | . | 4 | 2 | . | 6 | 500 |
| 32 | 18:26:07 | Chris Chandler | F | 48 | TX | 01/08/05 | 100 | . | 4 | 2 | . | 6 | 500 |
| 57 | 8:23:15 | Chris Chandler | F | 47 | TX | 01/10/04 | 50 | dnf100km | 4 | 2 | . | 6 | 500 |
| 67 | 7:00:14 | Donna Chapman | F | 41 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 102 | 3:33:03 | Lance Charter | M | 38 | CA | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 39 | 7:22:05 | Eduardo Chavez | M | 30 | TX | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 78 | 9:03:43 | Russell Cheney | M | 64 | CA | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 16 | 6:04:48 | Bart Childers | M | 45 | TX | 01/08/05 | 50 | . | . | 2 | . | 2 | 100 |
| 17 | 5:43:58 | Bart Childers | M | 43 | TX | 01/11/03 | 50 | . | . | 2 | . | 2 | 100 |
| 57 | 6:11:37 | Chris Chiles | M | 39 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 168 | 3:54:01 | Amie Chong | F | 50 | CA | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 78 | 16:53:29 | William Choppa | M | 39 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 54 | 6:09:39 | Lisa Christian | F | 42 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 63 | 6:20:23 | John Chung | M | 30 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 173 | 3:41:27 | Laura Clader | F | 52 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 57 | 2:57:57 | Bridget Clark | F | 33 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 53 | 3:09:51 | Catherine Clark | F | 58 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 67 | 6:27:31 | Marlee Clark | F | 43 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 35 | 7:02:05 | Michael Clark | M | 41 | TX | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 16 | 2:34:51 | Mike Clark | M | 42 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 1 | 9:16:57 | Nick Clark | M | 35 | CO | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 12 | 5:01:42 | Robert Clark | M | 36 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 46 | 3:11:32 | Vanessa Clark | F | 44 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 2 | 11:22:22 | Matt Clay | M | 29 | OK | 01/05/08 | 100 | . | 1 | . | . | 1 | 100 |
| 90 | 3:41:29 | Stacy Clayton | F | 42 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 26 | 2:37:53 | Bart Clemmons | M | 31 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 124 | 4:49:29 | Jamie Cleveland | M | 36 | TX | 01/10/09 | 50 | dnf100km | . | 2 | 2 | 4 | 150 |
| 1 | 4:06:03 | Jamie Cleveland | M | 35 | TX | 01/05/08 | 50 | . | . | 2 | 2 | 4 | 150 |
| 2 | 2:03:15 | Jamie Cleveland | M | 34 | TX | 01/13/07 | 25 | . | . | 2 | 2 | 4 | 150 |
| 5 | 2:01:00 | Jamie Cleveland | M | 33 | TX | 01/07/06 | 25 | . | . | 2 | 2 | 4 | 150 |
| 4 | 1:57:10 | Jon Clough | M | 26 | OK | 01/07/06 | 25 | . | . | . | 2 | 2 | 50 |
| 41 | 3:22:45 | Jon Clough | M | 24 | TX | 01/10/04 | 25 | . | . | . | 2 | 2 | 50 |
| 117 | 4:37:39 | Jo Clugg | F | 64 | CO | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 94 | 9:56:51 | Lyle Clugg | M | 64 | CO | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 92 | 18:44:53 | Charles Clutter | M | 39 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 30 | 2:34:35 | Christopher Cobb | M | 35 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 41 | 5:55:02 | Kirk Brand Coburn | M | 38 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 6 | 2:17:05 | Machelle Cochran | F | 31 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 235 | 5:36:05 | Lauren Cockerell | F | 26 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 123 | 7:39:58 | Toben Cocklin | M | 28 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 236 | 5:36:05 | Deon Cockrell | M | 40 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 123 | 4:01:50 | Deon Cockrell | M | 39 | TX | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 174 | 3:57:24 | Tom Cody | M | 63 | NE | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 167 | 3:52:55 | David Coffman | M | 50 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 158 | 3:45:09 | Meredith Cohen | F | 31 | TX | 01/09/10 | 25 | . | . | . | 2 | 2 | 50 |
| 194 | 4:00:33 | Meredith Cohen | F | 30 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 125 | 7:15:40 | Traci Cole | F | 46 | FL | 01/09/10 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 35 | 5:49:39 | Bruce Coleman | M | 50 | TX | 01/09/10 | 50 | . | . | 1 | 1 | 2 | 75 |
| 27 | 2:27:35 | Bruce Coleman | M | 49 | TX | 01/10/09 | 25 | . | . | 1 | 1 | 2 | 75 |
| 130 | 4:16:16 | Paula Coleman | F | 37 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 131 | 4:16:16 | Stephen Coleman | M | 41 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 18 | 14:52:57 | German Collazos | M | 48 | TX | 01/13/07 | 100 | . | 1 | . | . | 1 | 100 |
| 12 | 14:12:29 | Jeff Collins | M | 53 | CA | 01/13/07 | 100 | . | 1 | . | . | 1 | 100 |
| 37 | 2:56:16 | Scott Colman | M | 41 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 91 | 9:48:40 | Teresa Colpaert | F | 33 | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 163 | 3:35:26 | Elizabeth Comer | F | 38 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 86 | 6:44:56 | Peter Comer | M | 45 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 89 | 6:52:53 | Chuck Compson | M | 26 | LA | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 53 | 2:59:18 | Chad Connell | M | 29 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 143 | 3:24:19 | Patrick Connell | M | 39 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 8 | 13:56:45 | Lisa Conover | F | 46 | WI | 01/08/05 | 100 | . | 1 | 1 | . | 2 | 150 |
| 14 | 6:39:40 | Lisa Conover | F | 45 | WI | 01/10/04 | 50 | . | 1 | 1 | . | 2 | 150 |
| 1 | 4:34:29 | Joe Constantino | M | 33 | TX | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 129 | 3:31:35 | Caroline Cook | F | 40 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 5 | 10:06:54 | Richard Cook | M | 47 | PA | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 31 | 16:14:14 | Rick Cook | M | 42 | TX | 01/13/07 | 100 | . | 1 | . | . | 1 | 100 |
| 108 | 7:18:40 | Kurt Coonrod | M | 49 | NM | 01/09/10 | 50 | . | . | 8 | . | 8 | 400 |
| 6 | 4:55:03 | Kurt Coonrod | M | 48 | NM | 01/10/09 | 50 | . | . | 8 | . | 8 | 400 |
| 6 | 5:15:41 | Kurt Coonrod | M | 47 | NM | 01/05/08 | 50 | . | . | 8 | . | 8 | 400 |
| 7 | 5:27:49 | Kurt Coonrod | M | 46 | NM | 01/13/07 | 50 | . | . | 8 | . | 8 | 400 |
| 6 | 5:16:44 | Kurt Coonrod | M | 45 | NM | 01/07/06 | 50 | . | . | 8 | . | 8 | 400 |
| 2 | 4:55:52 | Kurt Coonrod | M | 44 | NM | 01/08/05 | 50 | . | . | 8 | . | 8 | 400 |
| 21 | 6:46:13 | Kurt Coonrod | M | 43 | NM | 01/10/04 | 50 | . | . | 8 | . | 8 | 400 |
| 20 | 5:54:38 | Kurt Coonrod | M | 42 | NM | 01/11/03 | 50 | . | . | 8 | . | 8 | 400 |
| 12 | 12:54:28 | Craig Cooper | M | 38 | TX | 01/10/04 | 100 | . | 1 | . | . | 1 | 100 |
| 139 | 9:09:07 | Kathy Cooper | F | 50 | TX | 01/09/10 | 50 | dnf100km | . | 4 | . | 4 | 200 |
| 233 | 5:23:02 | Kathy Cooper | F | 49 | TX | 01/10/09 | 25 | . | . | 4 | 1 | 5 | 225 |
| 49 | 7:40:39 | Kathy Cooper | F | 47 | TX | 01/13/07 | 50 | . | . | 4 | 1 | 5 | 225 |
| 60 | 7:56:40 | Kathy Cooper | F | 46 | TX | 01/07/06 | 50 | . | . | 4 | 1 | 5 | 225 |
| 31 | 6:47:44 | Kathy Cooper | F | 43 | TX | 01/11/03 | 50 | . | . | 4 | 1 | 5 | 225 |
| 234 | 5:23:02 | Kelly Cooper | F | 43 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 112 | 4:59:48 | Charles Corfield | M | 50 | CO | 01/09/10 | 50 | dnf100km | . | 3 | . | 3 | 150 |
| . | 5:00:01 | Charles Corfield | M | 48 | CO | 01/05/08 | 50 | dnf100km | . | 3 | . | 3 | 150 |
| . | 5:30:00 | Charles Corfield | M | 47 | CO | 01/13/07 | 50 | dnf100km | . | 3 | . | 3 | 150 |
| 155 | 8:57:41 | Bill Corley | M | 50 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 27 | 15:23:10 | David Corley | M | 44 | TX | 01/07/06 | 100 | . | 1 | . | 1 | 2 | 125 |
| 10 | 2:26:51 | David Corley | M | 41 | TX | 01/11/03 | 25 | . | 1 | . | 1 | 2 | 125 |
| 203 | 4:07:41 | Teddy Cory | M | 27 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 74 | 16:31:48 | Jason Costantino | M | 26 | TX | 01/09/10 | 100 | . | 1 | 1 | . | 2 | 150 |
| 115 | 9:32:40 | Jason Costantino | M | 25 | TX | 01/10/09 | 50 | . | 1 | 1 | . | 2 | 150 |
| 29 | 15:30:40 | Brian Costilow | M | 31 | TX | 01/07/06 | 100 | . | 1 | . | . | 1 | 100 |
| 117 | 3:58:18 | Christine Cots | F | 30 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 63 | 3:17:35 | Jim Counce | M | 51 | . | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 121 | 3:55:18 | John Coward | M | 57 | OK | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 165 | 3:50:24 | John Coward | M | 59 | OK | 01/09/10 | 25 | . | . | . | 2 | 2 | 50 |
| 105 | 3:47:26 | Maria Cowley | F | 48 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 111 | 9:09:59 | Fran Cox | F | 47 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 80 | 9:31:45 | Fran Cox | F | 46 | TX | 01/05/08 | 50 | . | . | 2 | . | 2 | 100 |
| 76 | 9:11:22 | Fran Cox | F | 45 | TX | 01/13/07 | 50 | . | . | 2 | . | 2 | 100 |
| 91 | 16:57:52 | Dawn Craig | F | 36 | TX | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 50 | 2:58:01 | Ed Craighead | M | 65 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 121 | 3:13:37 | Monette Crain | F | 41 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 44 | 7:02:15 | Michael Crake | M | 44 | OK | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 65 | 8:00:29 | Michelle Crane | F | 36 | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 125 | 3:15:49 | Stuart Crane | M | 45 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 21 | 6:27:58 | Tom Craven | M | 60 | HI | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 50 | 15:11:58 | Larry Creveling | M | 57 | PA | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 144 | 8:36:32 | Christine Criscuolo | F | 34 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 8 | 5:05:12 | Mark Crisman | M | 45 | TX | 01/10/09 | 50 | . | . | 2 | . | 2 | 100 |
| . | 6:47:01 | Mark Crisman | M | 44 | TX | 01/05/08 | 50 | dnf100km | . | 2 | . | 2 | 100 |
| 203 | 4:29:53 | Barrett Criswell | M | 47 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 102 | 9:00:36 | John Cronin | M | 39 | TX | 01/08/05 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 104 | 3:08:36 | Lisa Cronin | F | 34 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 157 | 3:32:11 | Koby Crooks | M | 34 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 156 | 3:32:11 | Stephanie Crooks | F | 35 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 152 | 3:43:23 | Elizabeth Crowe | F | 44 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 151 | 5:34:15 | Juliana Crownover | F | 31 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 25 | 12:40:14 | Matt Crownover | M | 37 | TX | 01/09/10 | 100 | . | 4 | 3 | . | 7 | 550 |
| 13 | 11:52:50 | Matt Crownover | M | 36 | TX | 01/10/09 | 100 | . | 4 | 3 | . | 7 | 550 |
| 20 | 13:50:29 | Matt Crownover | M | 35 | TX | 01/05/08 | 100 | . | 4 | 3 | . | 7 | 550 |
| 23 | 6:15:08 | Matt Crownover | M | 33 | TX | 01/07/06 | 50 | . | 4 | 3 | . | 7 | 550 |
| 9 | 5:48:07 | Matt Crownover | M | 32 | TX | 01/08/05 | 50 | . | 4 | 3 | . | 7 | 550 |
| 19 | 14:00:57 | Matt Crownover | M | 31 | TX | 01/10/04 | 100 | . | 4 | 3 | . | 7 | 550 |
| 20 | 5:53:38 | Matt Crownover | M | 30 | TX | 01/11/03 | 50 | . | 4 | 3 | . | 7 | 550 |
| 11 | 0:14:36 | Mica Crownover | M | 4 | TX | 01/10/09 | 1 | . | . | . | . | 0 | 0 |
| 5 | 0:11:15 | Noah Crownover | M | 7 | TX | 01/10/09 | 1 | . | . | . | . | 0 | 0 |
| 29 | 2:57:51 | Paul Crowson | M | 46 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 68 | 3:26:54 | Letha Cruthirds | F | 51 | TX | 01/08/05 | 25 | . | 1 | . | 1 | 2 | 125 |
| 23 | 14:13:14 | Letha Cruthirds | F | 50 | TX | 01/10/04 | 100 | . | 1 | . | 1 | 2 | 125 |
| 140 | 3:21:29 | Christina Cruz | F | 28 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 105 | 8:38:36 | Jane Cudney | F | 39 | NM | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 56 | 6:40:01 | Robert Culp | M | 41 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 7 | 2:17:40 | Yancy Culp | M | 35 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 45 | 3:10:17 | Betsy Cummings | F | 20 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| . | 6:36:08 | James Cummins | M | 43 | TX | 01/05/08 | 50 | dnf100km | . | 1 | 1 | 2 | 75 |
| 22 | 2:34:42 | James Cummins | M | 40 | TX | 01/08/05 | 25 | . | . | 1 | 1 | 2 | 75 |
| 122 | 4:51:26 | Craig Cunningham | M | 46 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 41 | 3:09:21 | Megan Curiel | F | 12 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 42 | 3:09:22 | Tyler Curiel | M | 50 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 136 | 3:35:05 | Joe Currens | M | 43 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 72 | 3:04:06 | Dena Curry | F | 44 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 4 | 0:09:58 | Emily Curry | F | 13 | TX | 01/09/10 | 1 | . | . | . | . | 0 | 0 |
| 177 | 4:01:51 | Jana Curry | F | 44 | TX | 01/09/10 | 25 | . | . | 1 | 2 | 3 | 100 |
| 94 | 3:44:00 | Jana Curry | F | 40 | TX | 01/07/06 | 25 | . | . | 1 | 2 | 3 | 100 |
| 59 | 8:19:34 | Jana Curry | F | 39 | TX | 01/08/05 | 50 | . | . | 1 | 2 | 3 | 100 |
| 12 | 2:29:04 | Russ Cutting | M | 45 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 5 | 2:15:15 | Shannon Cutting | F | 39 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 38 | 15:31:41 | Clea Czysz | F | 35 | TX | 01/05/08 | 100 | . | 1 | 1 | 1 | 3 | 175 |
| 20 | 6:19:25 | Clea Czysz | F | 34 | TX | 01/13/07 | 50 | . | 1 | 1 | 1 | 3 | 175 |
| 24 | 2:27:05 | Clea Czysz | F | 33 | TX | 01/07/06 | 25 | . | 1 | 1 | 1 | 3 | 175 |
| 52 | 3:14:07 | Teresa Dahmus | F | 29 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 44 | 7:33:04 | Ben Daniel | M | 31 | TX | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 160 | 3:45:51 | Dann Danley | M | 45 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 106 | 3:09:03 | Stacy Dannels | F | 42 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 42 | 17:20:18 | Jean-Jacques d'Aquin | M | 66 | TX | 01/07/06 | 100 | . | 1 | . | . | 1 | 100 |
| 139 | 3:21:26 | Scot D'Arbonne | M | 45 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 21 | 2:35:14 | Kristi Darby | F | 35 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 16 | 5:35:51 | Allen Darilek | M | 35 | TX | 01/10/09 | 50 | . | . | 1 | 3 | 4 | 125 |
| 26 | 2:42:22 | Allen Darilek | M | 34 | TX | 01/05/08 | 25 | . | . | 1 | 3 | 4 | 125 |
| 84 | 3:38:33 | Allen Darilek | M | 33 | TX | 01/13/07 | 25 | . | . | 1 | 3 | 4 | 125 |
| 52 | 3:09:37 | Allen Darilek | M | 31 | TX | 01/08/05 | 25 | . | . | 1 | 3 | 4 | 125 |
| 19 | 2:42:44 | Benjamin Darley | M | 27 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 69 | 3:08:07 | Samantha Darr | F | 33 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 3 | 1:53:53 | Patrick Darragh | M | 42 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 58 | 17:38:25 | Carl Davies | M | 42 | TX | 01/05/08 | 100 | . | 1 | . | . | 1 | 100 |
| 59 | 3:20:09 | Jesus Davila | M | 43 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 50 | 6:36:06 | Davin Davis | M | 30 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 50 | 7:46:25 | Jim Davis | M | 64 | KS | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 12 | 5:27:27 | Mike Davis | M | 39 | TX | 01/10/09 | 50 | . | . | 1 | 1 | 2 | 75 |
| 7 | 2:28:52 | Mike Davis | M | 37 | TX | 01/13/07 | 25 | . | . | 1 | 1 | 2 | 75 |
| 51 | 7:46:28 | Nancy Davis | F | 55 | KS | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 64 | 18:02:51 | Roger Davis | M | 38 | TX | 01/05/08 | 100 | . | 2 | . | . | 2 | 200 |
| 30 | 16:14:13 | Roger Davis | M | 37 | TX | 01/13/07 | 100 | . | 2 | . | . | 2 | 200 |
| 84 | 18:07:32 | Frederick Davis III | M | 62 | OH | 01/09/10 | 100 | . | 2 | 1 | . | 3 | 250 |
| 94 | 17:22:14 | Frederick Davis III | M | 61 | OH | 01/10/09 | 100 | . | 2 | 1 | . | 3 | 250 |
| . | 10:52:21 | Frederick Davis III | M | 60 | OH | 01/05/08 | 50 | dnf100km | 2 | 1 | . | 3 | 250 |
| 109 | 8:56:08 | Ross Davison | M | 47 | TX | 01/10/09 | 50 | . | . | 2 | . | 2 | 100 |
| 58 | 8:07:47 | Ross Davison | M | 45 | KY | 01/13/07 | 50 | . | . | 2 | . | 2 | 100 |
| 35 | 6:10:23 | Dave Dawson | M | 42 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 76 | 2:52:51 | Luis De Leon | M | 41 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| . | 6:58:38 | Josephie Dean | F | 44 | TX | 01/13/07 | 50 | dnf100km | . | 2 | 1 | 3 | 125 |
| 17 | 6:00:40 | Josephie Dean | F | 43 | TX | 01/07/06 | 50 | . | . | 2 | 1 | 3 | 125 |
| 85 | 3:40:16 | Josephie Dean | F | 42 | TX | 01/08/05 | 25 | . | . | 2 | 1 | 3 | 125 |
| 25 | 2:42:36 | Crystal Deaner | F | 23 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 66 | 2:49:30 | Eddie Decker | M | 24 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 47 | 2:54:46 | Eddie Decker | M | 23 | TX | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 169 | 3:41:02 | Tim Decker | M | 36 | CA | 01/10/09 | 25 | . | . | . | 3 | 3 | 75 |
| 44 | 3:05:15 | Tim Decker | M | 32 | TX | 01/08/05 | 25 | . | . | . | 3 | 3 | 75 |
| 35 | 3:04:59 | Tim Decker | M | 31 | TX | 01/10/04 | 25 | . | . | . | 3 | 3 | 75 |
| 73 | 3:04:08 | Steve Dedear | M | 47 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 42 | 14:15:28 | Bogie Dee | M | 34 | MA | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 49 | 2:52:48 | Philip DeFalco | M | 51 | TX | 01/09/10 | 25 | . | . | . | 2 | 2 | 50 |
| 68 | 2:50:04 | Philip DeFalco | M | 50 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 136 | 3:20:05 | Jesse DeHoyos | M | 45 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 15 | 11:58:51 | Bridget DeLaRosa-Herrejon | F | 35 | TX | 01/10/09 | 100 | . | 6 | . | . | 6 | 600 |
| 13 | 12:59:08 | Bridget DeLaRosa-Herrejon | F | 34 | TX | 01/05/08 | 100 | . | 6 | . | . | 6 | 600 |
| 10 | 14:00:18 | Bridget DeLaRosa-Herrejon | F | 33 | TX | 01/13/07 | 100 | . | 6 | . | . | 6 | 600 |
| 17 | 14:08:27 | Bridget DeLaRosa-Herrejon | F | 32 | TX | 01/07/06 | 100 | . | 6 | . | . | 6 | 600 |
| 5 | 13:45:02 | Bridget DeLaRosa-Herrejon | F | 31 | TX | 01/08/05 | 100 | . | 6 | . | . | 6 | 600 |
| 15 | 13:27:13 | Bridget DeLaRosa-Herrejon | F | 30 | TX | 01/10/04 | 100 | . | 6 | . | . | 6 | 600 |
| 71 | 6:29:42 | Logan Delaware | M | 38 | TX | 01/09/10 | 50 | . | . | 1 | 1 | 2 | 75 |
| 5 | 2:22:43 | Logan Delaware | M | 35 | TX | 01/13/07 | 25 | . | . | 1 | 1 | 2 | 75 |
| 170 | 10:58:42 | Carrie Delbecq | F | 37 | TX | 01/09/10 | 50 | . | . | 2 | 2 | 4 | 150 |
| 45 | 2:54:26 | Carrie Delbecq | F | 35 | TX | 01/05/08 | 25 | . | . | 2 | 2 | 4 | 150 |
| 47 | 3:13:04 | Carrie Delbecq | F | 34 | TX | 01/13/07 | 25 | . | . | 2 | 2 | 4 | 150 |
| 39 | 6:48:31 | Carrie Delbecq | F | 33 | TX | 01/07/06 | 50 | . | . | 2 | 2 | 4 | 150 |
| 51 | 6:07:03 | Brad W Delcambre | M | 31 | LA | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 7 | 5:21:37 | Paul DeMaagd | M | 41 | TX | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 53 | 5:46:00 | Scott Demaree | M | 51 | TX | 01/11/03 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 147 | 8:43:54 | Burt Dement | M | 32 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 18 | 16:32:26 | Ellen DeMoney | F | 45 | CO | 01/08/05 | 100 | . | 1 | . | . | 1 | 100 |
| 43 | 7:58:27 | Len DeMoss | M | 55 | MO | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 74 | 8:59:28 | Melody Dennis | F | 47 | TX | 01/07/06 | 50 | . | . | 2 | . | 2 | 100 |
| 69 | 9:25:58 | Melody Dennis | F | 46 | TX | 01/08/05 | 50 | . | . | 2 | . | 2 | 100 |
| 71 | 3:30:23 | Paul Dertien | M | 58 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 134 | 8:09:22 | John Desenberg | M | 43 | TX | 01/09/10 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 45 | 2:49:17 | Lorena Devlyn | F | 37 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 40 | 17:52:31 | Mark Dick | M | 49 | TX | 01/10/04 | 100 | . | 1 | . | . | 1 | 100 |
| 122 | 7:35:52 | Michael Dino | M | 27 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 172 | 3:56:59 | Wendy Dittmer | F | 46 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 19 | 12:29:36 | Tommy Doias | M | 37 | MO | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 136 | 8:18:36 | Lorrie Dominguez | F | 51 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 104 | 20:51:22 | Joey Doran | M | 27 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 7 | 11:26:52 | Jason Dorgan | M | 43 | WI | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 95 | 19:19:27 | Clinton Dorris | M | 39 | TX | 01/09/10 | 100 | . | 2 | . | . | 2 | 200 |
| 74 | 19:25:44 | Clinton Dorris | M | 37 | TX | 01/05/08 | 100 | . | 2 | . | . | 2 | 200 |
| 29 | 2:53:46 | Michael Dotson | M | 37 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 115 | 10:13:59 | Liam Douglass | M | 48 | TX | 01/08/05 | 50 | dnf100km | . | 3 | . | 3 | 150 |
| 59 | 8:55:30 | Liam Douglass | M | 47 | TX | 01/10/04 | 50 | dnf100km | . | 3 | . | 3 | 150 |
| 70 | 9:09:21 | Liam Douglass | M | 46 | TX | 01/11/03 | 50 | dnf100km | . | 3 | . | 3 | 150 |
| 36 | 6:12:39 | Cord Dover | M | 43 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 172 | 3:41:05 | Dan Dowdy | M | 25 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 171 | 3:41:04 | Lauren Dowdy | F | 23 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 46 | 3:05:40 | Douglas Draper | M | 36 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 30 | 6:38:43 | Dennis Drey | M | 54 | NM | 01/07/06 | 50 | . | . | 4 | . | 4 | 200 |
| 17 | 6:06:44 | Dennis Drey | M | 53 | NM | 01/08/05 | 50 | . | . | 4 | . | 4 | 200 |
| 10 | 6:14:30 | Dennis Drey | M | 52 | NM | 01/10/04 | 50 | . | . | 4 | . | 4 | 200 |
| 18 | 5:48:22 | Dennis Drey | M | 51 | NM | 01/11/03 | 50 | . | . | 4 | . | 4 | 200 |
| 24 | 7:01:25 | Joel DuBois | M | 45 | TX | 01/10/04 | 50 | . | . | 1 | . | 1 | 50 |
| 22 | 2:26:48 | Brian Duffy | M | 43 | TX | 01/07/06 | 25 | . | . | . | 2 | 2 | 50 |
| 22 | 2:45:25 | Brian Duffy | M | 40 | TX | 01/11/03 | 25 | . | . | . | 2 | 2 | 50 |
| 43 | 2:48:45 | Jim DuFon | M | 41 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 32 | 5:46:09 | Brandon Dugan | M | 34 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 67 | 3:06:11 | Jake Duhon | M | 23 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 151 | 6:32:47 | Deborah Dunai | F | 52 | VA | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| . | 8:08:53 | Rachel Dunai | F | 25 | VA | 01/13/07 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 50 | 18:31:04 | Ron Dunbar | M | 55 | TX | 01/07/06 | 100 | . | 3 | . | . | 3 | 300 |
| 21 | 16:45:57 | Ron Dunbar | M | 54 | TX | 01/08/05 | 100 | . | 3 | . | . | 3 | 300 |
| 45 | 18:24:10 | Ron Dunbar | M | 53 | TX | 01/10/04 | 100 | . | 3 | . | . | 3 | 300 |
| 64 | 6:20:35 | Stephen Dunn | M | 20 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 81 | 3:29:52 | Patrick Dunnells | M | 44 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 181 | 3:44:49 | Kimberly Dunten | F | 32 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 124 | 3:28:28 | Minh Duong | M | 35 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 15 | 5:34:41 | Kathy Duryea | F | 39 | TX | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 85 | 6:44:56 | Chuck Duvall | M | 42 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 99 | 7:04:41 | Laura Earley | F | 30 | AR | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 14 | 13:05:29 | Scott Eason | M | 42 | AR | 01/05/08 | 100 | . | 1 | . | . | 1 | 100 |
| 76 | 7:10:11 | Ed Easton | M | 43 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 44 | 5:56:15 | Chris Edgerton | M | 38 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 110 | 7:22:09 | Claude Edwards | M | 57 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 56 | 3:15:41 | Kurt Egli | M | 44 | TX | 01/13/07 | 25 | . | . | 1 | 1 | 2 | 75 |
| 52 | 8:02:50 | Kurt Egli | M | 42 | TX | 01/08/05 | 50 | . | . | 1 | 1 | 2 | 75 |
| 19 | 2:38:36 | Shelley Egli | F | 33 | TX | 01/13/07 | 25 | . | . | 1 | 2 | 3 | 100 |
| 47 | 2:51:19 | Shelley Egli | F | 32 | TX | 01/07/06 | 25 | . | . | 1 | 2 | 3 | 100 |
| 21 | 6:26:20 | Shelley Egli | F | 31 | TX | 01/08/05 | 50 | . | . | 1 | 2 | 3 | 100 |
| 68 | 7:00:27 | Todd Eitleman | M | 41 | TX | 01/10/09 | 50 | . | . | 3 | . | 3 | 150 |
| 65 | 8:29:39 | Todd Eitleman | M | 40 | TX | 01/05/08 | 50 | . | . | 3 | . | 3 | 150 |
| 56 | 7:59:29 | Todd Eitleman | M | 39 | TX | 01/13/07 | 50 | . | . | 3 | . | 3 | 150 |
| 231 | 5:26:25 | Bernadette Elliott | F | 34 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 73 | 7:06:12 | Dave Elliott | M | 39 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 83 | 6:39:45 | Scott Elliott | M | 38 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 7 | 5:19:43 | Matthew Ellis | M | 41 | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 75 | 16:38:20 | Les Ellsworth | M | 55 | TX | 01/09/10 | 100 | . | 2 | . | . | 2 | 200 |
| 58 | 15:05:29 | Les Ellsworth | M | 54 | TX | 01/10/09 | 100 | . | 2 | . | . | 2 | 200 |
| 32 | 6:57:17 | Garry Elmitt | M | 64 | TX | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 225 | 5:03:44 | Fayza Elmostehi | F | 30 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 112 | 3:10:43 | Tom Emery | M | 55 | TX | 01/10/09 | 25 | . | . | . | 3 | 3 | 75 |
| 37 | 3:06:55 | Tom Emery | M | 53 | TX | 01/13/07 | 25 | . | . | . | 3 | 3 | 75 |
| 56 | 2:54:52 | Tom Emery | M | 52 | TX | 01/07/06 | 25 | . | . | . | 3 | 3 | 75 |
| 125 | 5:15:54 | Alan Engisch | M | 66 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 15 | 2:34:56 | Ruth England | F | 36 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 139 | 4:52:30 | Kelly Eppelman | F | 43 | TX | 01/13/07 | 25 | . | . | 2 | 1 | 3 | 125 |
| 45 | 7:46:26 | Kelly Eppelman | F | 41 | TX | 01/08/05 | 50 | . | . | 2 | 1 | 3 | 125 |
| 49 | 9:12:40 | Kelly Eppelman | F | 39 | TX | 01/11/03 | 50 | . | . | 2 | . | 2 | 100 |
| 14 | 11:19:24 | Scott Eppelman | M | 43 | TX | 01/09/10 | 100 | . | 5 | . | . | 5 | 500 |
| 5 | 10:51:17 | Scott Eppelman | M | 42 | TX | 01/10/09 | 100 | . | 5 | . | . | 5 | 500 |
| 2 | 11:16:23 | Scott Eppelman | M | 40 | TX | 01/13/07 | 100 | . | 5 | . | . | 5 | 500 |
| 1 | 10:25:28 | Scott Eppelman | M | 38 | TX | 01/08/05 | 100 | . | 5 | . | . | 5 | 500 |
| 1 | 9:59:55 | Scott Eppelman | M | 36 | TX | 01/11/03 | 100 | . | 5 | . | . | 5 | 500 |
| 121 | 7:35:25 | Jason Espalin | M | 30 | TX | 01/09/10 | 50 | . | . | 2 | 1 | 3 | 125 |
| 86 | 7:24:34 | Jason Espalin | M | 29 | TX | 01/10/09 | 50 | . | . | 2 | 1 | 3 | 125 |
| 94 | 3:26:59 | Jason Espalin | M | 28 | TX | 01/05/08 | 25 | . | . | 2 | 1 | 3 | 125 |
| 85 | 7:24:01 | Tanya Espalin | F | 27 | TX | 01/10/09 | 50 | . | 1 | 1 | 1 | 3 | 175 |
| 125 | 4:05:51 | Tanya Espalin | F | 25 | TX | 01/13/07 | 25 | . | 1 | 1 | 1 | 3 | 175 |
| 51 | 15:16:29 | Tanya Espalin | F | 28 | TX | 01/09/10 | 100 | . | 1 | 1 | 1 | 3 | 175 |
| 122 | 7:10:36 | Arnold Espe | M | 49 | TX | 01/09/10 | 50 | dnf100km | 2 | 2 | . | 4 | 300 |
| . | 6:29:36 | Arnold Espe | M | 46 | TX | 01/13/07 | 50 | dnf100km | 2 | 2 | . | 4 | 300 |
| 18 | 14:08:31 | Arnold Espe | M | 45 | TX | 01/07/06 | 100 | . | 2 | 2 | . | 4 | 300 |
| 12 | 14:56:44 | Arnold Espe | M | 44 | TX | 01/08/05 | 100 | . | 2 | 2 | . | 4 | 300 |
| 147 | 3:25:59 | Lorraine Esquivel | F | 35 | TX | 01/10/09 | 25 | . | . | . | 4 | 4 | 100 |
| 59 | 2:56:31 | Lorraine Esquivel | F | 33 | TX | 01/07/06 | 25 | . | . | . | 4 | 4 | 100 |
| 67 | 3:26:22 | Lorraine Esquivel | F | 32 | TX | 01/08/05 | 25 | . | . | . | 4 | 4 | 100 |
| 39 | 3:13:16 | Lorraine Esquivel | F | 31 | TX | 01/10/04 | 25 | . | . | . | 4 | 4 | 100 |
| 89 | 3:39:09 | Daniel Eulenfeld | M | 24 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 140 | 8:15:53 | Bruce Evans | M | 53 | TX | 01/09/10 | 50 | . | . | 1 | 1 | 2 | 75 |
| 188 | 3:52:44 | Bruce Evans | M | 52 | TX | 01/10/09 | 25 | . | . | 1 | 1 | 2 | 75 |
| 34 | 2:53:05 | Chris Evans | M | 34 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 46 | 3:31:49 | Dawn Evans | F | 39 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 149 | 8:45:09 | Deborah Evans | F | 55 | TX | 01/09/10 | 50 | . | . | 2 | . | 2 | 100 |
| 70 | 8:42:47 | Deborah Evans | F | 51 | TX | 01/07/06 | 50 | . | . | 2 | . | 2 | 100 |
| 42 | 6:21:45 | Jennifer Evans | F | 39 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 57 | 4:01:45 | Lori Evans | F | 41 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 107 | 4:17:06 | Dan Even | M | 41 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 53 | 3:58:21 | Andy Ewing | M | 30 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 227 | 4:59:28 | Bryan Ewing | M | 47 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 137 | 4:44:28 | Bryan Ewing | M | 45 | TX | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 107 | 20:24:04 | Shawn Fagan | M | 32 | CO | 01/10/09 | 100 | . | 2 | 1 | . | 3 | 250 |
| . | 6:36:04 | Shawn Fagan | M | 31 | TX | 01/05/08 | 50 | dnf100km | 2 | 1 | . | 3 | 250 |
| 16 | 14:36:58 | Shawn Fagan | M | 30 | TX | 01/13/07 | 100 | . | 2 | 1 | . | 3 | 250 |
| 182 | 3:48:11 | Brian Fairbanks | M | 32 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 64 | 16:03:44 | Susan Farago | F | 39 | TX | 01/09/10 | 100 | . | 1 | . | 2 | 3 | 150 |
| 58 | 3:01:46 | Susan Farago | F | 37 | TX | 01/05/08 | 25 | . | 1 | . | 2 | 3 | 150 |
| 39 | 3:08:39 | Susan Farago | F | 36 | TX | 01/13/07 | 25 | . | 1 | . | 2 | 3 | 150 |
| 47 | 6:29:37 | Jeff Farrell | M | 48 | TX | 01/10/09 | 50 | . | 1 | 2 | . | 3 | 200 |
| 56 | 17:32:06 | Jeff Farrell | M | 47 | TX | 01/05/08 | 100 | . | 1 | 2 | . | 3 | 200 |
| 28 | 6:53:17 | Jeff Farrell | M | 44 | TX | 01/08/05 | 50 | . | 1 | 2 | . | 3 | 200 |
| 17 | 2:39:26 | Jim Faucet | M | 46 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 23 | 6:11:40 | Tracy Fee | F | 34 | TX | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 13 | 2:24:04 | Andy Fenack | M | 25 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 17 | 5:36:55 | Boog Ferrell | M | 30 | TX | 01/10/09 | 50 | . | . | 1 | 2 | 3 | 100 |
| 29 | 2:43:55 | Boog Ferrell | M | 29 | TX | 01/05/08 | 25 | . | . | 1 | 2 | 3 | 100 |
| 55 | 3:14:34 | Boog Ferrell | M | 28 | TX | 01/13/07 | 25 | . | . | 1 | 2 | 3 | 100 |
| 18 | 18:11:48 | Dave Ferry | M | 48 | TN | 01/11/03 | 100 | . | 1 | . | . | 1 | 100 |
| 113 | 5:09:30 | Jacob Fetterolf | M | 21 | TX | 01/09/10 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 29 | 13:14:53 | Jared Fetterolf | M | 21 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 24 | 2:40:10 | Andrea Feucht | F | 33 | NM | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 114 | 7:30:00 | Patricia Fick | F | 47 | TX | 01/09/10 | 50 | . | . | 4 | . | 4 | 200 |
| 37 | 7:14:41 | Patricia Fick | F | 44 | TX | 01/13/07 | 50 | . | . | 4 | . | 4 | 200 |
| 47 | 7:08:10 | Patricia Fick | F | 43 | TX | 01/07/06 | 50 | . | . | 4 | . | 4 | 200 |
| 31 | 7:24:50 | Patricia Fick | F | 41 | TX | 01/10/04 | 50 | . | . | 4 | . | 4 | 200 |
| 18 | 5:13:26 | Kipley Fiebig | M | 39 | TX | 01/09/10 | 50 | . | . | 2 | 4 | 6 | 200 |
| 23 | 2:22:58 | Kipley Fiebig | M | 38 | TX | 01/10/09 | 25 | . | . | 2 | 4 | 6 | 200 |
| 13 | 2:28:05 | Kipley Fiebig | M | 37 | TX | 01/05/08 | 25 | . | . | 2 | 4 | 6 | 200 |
| 22 | 2:44:12 | Kipley Fiebig | M | 36 | TX | 01/13/07 | 25 | . | . | 2 | 4 | 6 | 200 |
| 11 | 2:12:50 | Kipley Fiebig | M | 35 | TX | 01/07/06 | 25 | . | . | 2 | 4 | 6 | 200 |
| 8 | 5:46:28 | Kipley Fiebig | M | 34 | TX | 01/08/05 | 50 | . | . | 2 | 4 | 6 | 200 |
| 97 | 7:51:28 | Susan Fields | F | 38 | TX | 01/10/09 | 50 | . | . | 1 | 1 | 2 | 75 |
| 134 | 4:20:37 | Susan Fields | F | 37 | TX | 01/05/08 | 25 | . | . | 1 | 1 | 2 | 75 |
| 4 | 2:14:54 | Gerald Fincken | M | 44 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 63 | 8:30:33 | Stephen Finley | M | 21 | TX | 01/08/05 | 50 | . | . | 1 | . | 1 | 50 |
| 129 | 5:27:13 | Deborah Fiorenza | F | 49 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 56 | 15:04:27 | Kent Fish | M | 55 | TX | 01/10/09 | 100 | . | 2 | 1 | . | 3 | 250 |
| 47 | 15:51:52 | Kent Fish | M | 54 | TX | 01/05/08 | 100 | . | 2 | 1 | . | 3 | 250 |
| 15 | 5:59:18 | Kent Fish | M | 53 | TX | 01/13/07 | 50 | . | 2 | 1 | . | 3 | 250 |
| 4 | 4:56:58 | Andrea Fisher | F | 35 | TX | 01/05/08 | 50 | . | . | 1 | 2 | 3 | 100 |
| 12 | 2:33:11 | Andrea Fisher | F | 34 | TX | 01/13/07 | 25 | . | . | 1 | 2 | 3 | 100 |
| 28 | 2:33:55 | Andrea Fisher | F | 33 | TX | 01/07/06 | 25 | . | . | 1 | 2 | 3 | 100 |
| 163 | 9:27:21 | Jerry Fleming | M | 60 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 232 | 5:16:50 | Dusty Fletcher | F | 36 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 110 | 9:29:59 | Dyfan Fletcher | M | 34 | TX | 01/07/06 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 23 | 2:45:38 | Fred Fletcher | M | 35 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 13 | 0:14:58 | Hunter Fletcher | M | 6 | TX | 01/10/09 | 1 | . | . | . | . | 0 | 0 |
| 65 | 4:32:06 | Paige Fletcher | F | 34 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 1 | 4:28:45 | Steven Fletcher | M | 39 | TX | 01/08/05 | 50 | . | . | 1 | . | 1 | 50 |
| . | 8:16:01 | Chad Flint | M | 42 | KS | 01/13/07 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 194 | 4:21:44 | Nicole Flores | F | 36 | TX | 01/09/10 | 25 | . | . | . | 2 | 2 | 50 |
| 110 | 4:22:08 | Nicole Flores | F | 32 | TX | 01/07/06 | 25 | . | . | . | 2 | 2 | 50 |
| 129 | 7:53:06 | Sarah Flores | F | 28 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 126 | 3:15:51 | Marsh Flournoy | M | 35 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 30 | 2:58:43 | Marsh Flournoy | M | 33 | TX | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 97 | 10:54:07 | Stephanie Forbes | F | 26 | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 127 | 3:16:11 | Vicki Ford | F | 39 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 91 | 3:25:58 | Vicki Ford | F | 38 | TX | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 28 | 2:43:35 | Nicolas Forge | M | 39 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 141 | 3:37:25 | Leslie Foster | F | 49 | TX | 01/09/10 | 25 | . | . | . | 4 | 4 | 100 |
| 143 | 4:53:56 | Leslie Foster | M | 47 | TX | 01/05/08 | 25 | . | . | . | 4 | 4 | 100 |
| 129 | 4:21:30 | Leslie Foster | F | 46 | TX | 01/13/07 | 25 | . | . | . | 4 | 4 | 100 |
| 91 | 3:41:30 | Leslie Foster | F | 45 | TX | 01/07/06 | 25 | . | . | . | 4 | 4 | 100 |
| 200 | 4:24:30 | Odis Franklin | M | 41 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 33 | 7:02:50 | Barbara Franzen | F | 53 | IL | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 36 | 16:38:45 | Rochelle Frazeur | F | 35 | TX | 01/13/07 | 100 | . | 1 | . | . | 1 | 100 |
| 53 | 15:22:50 | Denver Fredenburg | M | 33 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 23 | 2:41:08 | Stephen Frederick | M | 54 | TX | 01/09/10 | 25 | . | . | . | 2 | 2 | 50 |
| 58 | 2:47:36 | Stephen Frederick | M | 53 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 50 | 2:54:07 | Ivan Freire | M | 38 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 112 | 4:22:46 | Cindy French | F | 34 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 154 | 3:31:55 | Christopher Frey | M | 31 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 46 | 7:05:45 | Marc Frey | M | 43 | TX | 01/07/06 | 50 | . | . | 1 | 1 | 2 | 75 |
| 51 | 3:09:37 | Marc Frey | M | 42 | TX | 01/08/05 | 25 | . | . | 1 | 1 | 2 | 75 |
| 204 | 4:08:32 | John Frierson | M | 37 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 132 | 4:28:03 | John Frierson | M | 35 | TX | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 17 | 11:44:54 | Ken Fries | M | 43 | TX | 01/09/10 | 100 | . | 1 | 1 | . | 2 | 150 |
| 31 | 6:06:03 | Ken Fries | M | 42 | TX | 01/10/09 | 50 | . | 1 | 1 | . | 2 | 150 |
| 18 | 6:18:24 | Marc Friesen | M | 32 | KS | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 86 | 3:36:02 | Mark Friesz | M | 32 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 62 | 2:59:55 | Mike Frontz | M | 40 | TX | 01/09/10 | 25 | . | . | . | 4 | 4 | 100 |
| 85 | 3:33:20 | Mike Frontz | M | 36 | TX | 01/07/06 | 25 | . | . | . | 4 | 4 | 100 |
| 58 | 3:16:30 | Mike Frontz | M | 35 | TX | 01/08/05 | 25 | . | . | . | 4 | 4 | 100 |
| 36 | 3:16:10 | Mike Frontz | M | 33 | TX | 01/11/03 | 25 | . | . | . | 4 | 4 | 100 |
| 190 | 4:13:56 | Mercedes Frost | F | 29 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 7 | 12:04:00 | Paul Frost | M | 36 | TX | 01/05/08 | 100 | . | 4 | 1 | . | 5 | 450 |
| 1 | 10:31:05 | Paul Frost | M | 34 | TX | 01/07/06 | 100 | . | 4 | 1 | . | 5 | 450 |
| 86 | 4:45:19 | Paul Frost | M | 33 | TX | 01/08/05 | 50 | dnf100km | 4 | 1 | . | 5 | 450 |
| 2 | 10:02:45 | Paul Frost | M | 32 | TX | 01/10/04 | 100 | . | 4 | 1 | . | 5 | 450 |
| 2 | 10:32:20 | Paul Frost | M | 31 | TX | 01/11/03 | 100 | . | 4 | 1 | . | 5 | 450 |
| 40 | 7:49:07 | John Fry | M | 57 | IL | 01/10/04 | 50 | . | . | 1 | . | 1 | 50 |
| 96 | 19:23:59 | Melanie Fryar | F | 29 | CO | 01/09/10 | 100 | . | 3 | 1 | . | 4 | 350 |
| 127 | 5:14:56 | Melanie Fryar | F | 28 | TX | 01/10/09 | 50 | dnf100km | 3 | 1 | . | 4 | 350 |
| 4 | 11:25:46 | Melanie Fryar | F | 27 | TX | 01/05/08 | 100 | . | 3 | 1 | . | 4 | 350 |
| 6 | 12:42:55 | Melanie Fryar | F | 26 | TX | 01/13/07 | 100 | . | 3 | 1 | . | 4 | 350 |
| 80 | 3:29:08 | Tiffany Fullman | F | 32 | TX | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 124 | 5:14:13 | Tiffany Fullman | F | 31 | TX | 01/07/06 | 25 | . | . | . | 2 | 2 | 50 |
| 70 | 9:25:58 | Lisa Gaither | F | 24 | TX | 01/08/05 | 50 | . | . | 1 | . | 1 | 50 |
| 109 | 22:21:33 | Julia Gale | F | 49 | TX | 01/09/10 | 100 | . | 2 | 1 | 2 | 5 | 300 |
| 200 | 4:07:09 | Julia Gale | F | 48 | TX | 01/10/09 | 25 | . | 2 | 1 | 2 | 5 | 300 |
| 85 | 21:11:07 | Julia Gale | F | 47 | TX | 01/05/08 | 100 | . | 2 | 1 | 2 | 5 | 300 |
| 71 | 8:41:50 | Julia Gale | F | 46 | TX | 01/13/07 | 50 | . | 2 | 1 | 2 | 5 | 300 |
| 104 | 4:03:48 | Julia Gale | F | 45 | TX | 01/07/06 | 25 | . | 2 | 1 | 2 | 5 | 300 |
| . | 8:51:19 | Kelly Galloway | M | 35 | TX | 01/05/08 | 50 | dnf100km | 1 | 3 | . | 4 | 250 |
| 97 | 7:39:14 | Kelly Galloway | M | 32 | TX | 01/08/05 | 50 | dnf100km | 1 | 3 | . | 4 | 250 |
| 50 | 21:00:45 | Kelly Galloway | M | 31 | TX | 01/10/04 | 100 | . | 1 | 3 | . | 4 | 250 |
| 67 | 8:12:18 | Kelly Galloway | M | 30 | TX | 01/11/03 | 50 | dnf100km | 1 | 3 | . | 4 | 250 |
| 7 | 13:16:52 | Juan Galvan | M | 29 | TX | 01/11/03 | 100 | . | 1 | . | . | 1 | 100 |
| 52 | 2:58:34 | Alison Gannett | F | 42 | CO | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 24 | 6:37:44 | Jaime Garcia | M | 30 | TX | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 159 | 3:33:05 | Julie Garcia | F | 36 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 195 | 4:01:51 | Martin Garcia | M | 45 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 20 | 2:35:12 | Rafael Garcia | M | 41 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 3 | 11:34:00 | Bill Gardner | M | 39 | TX | 01/11/03 | 100 | . | 1 | . | . | 1 | 100 |
| 65 | 18:11:05 | Susan Gardner | F | 43 | NM | 01/05/08 | 100 | . | 2 | . | . | 2 | 200 |
| 49 | 17:53:58 | Susan Gardner | F | 42 | NM | 01/13/07 | 100 | . | 2 | . | . | 2 | 200 |
| 84 | 3:08:28 | Alan Garms | M | 55 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 46 | 8:22:10 | Brad Garrison | M | 25 | TX | 01/10/04 | 50 | . | . | 1 | 1 | 2 | 75 |
| 39 | 3:25:43 | Brad Garrison | M | 24 | TX | 01/11/03 | 25 | . | . | 1 | 1 | 2 | 75 |
| 113 | 22:06:58 | Don Garrison | M | 50 | TX | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 34 | 13:29:54 | Keith Gartrell | M | 40 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 49 | 15:11:04 | Rebecca Gartrell | F | 37 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 177 | 3:42:47 | Ray Garza | M | 49 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 34 | 16:15:57 | Rick Gastelum | M | 59 | TX | 01/10/04 | 100 | . | 1 | 1 | . | 2 | 150 |
| 62 | 7:48:02 | Rick Gastelum | M | 58 | TX | 01/11/03 | 50 | dnf100km | 1 | 1 | . | 2 | 150 |
| 112 | 3:17:45 | Amy Gawlik | F | 26 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 22 | 5:19:21 | Lance Gay | M | 39 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 56 | 15:29:24 | Brandon Gerard | M | 30 | MI | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 8 | 2:08:09 | Todd Gerlach | M | 37 | TX | 01/07/06 | 25 | . | . | . | 2 | 2 | 50 |
| 2 | 2:14:26 | Todd Gerlach | M | 34 | TX | 01/11/03 | 25 | . | . | . | 2 | 2 | 50 |
| 32 | 2:45:05 | Nancy Germond | F | 47 | TX | 01/09/10 | 25 | . | . | . | 3 | 3 | 75 |
| 44 | 2:38:44 | Nancy Germond | F | 46 | TX | 01/10/09 | 25 | . | . | . | 3 | 3 | 75 |
| 70 | 3:04:41 | Nancy Germond | F | 45 | TX | 01/05/08 | 25 | . | . | . | 3 | 3 | 75 |
| 92 | 3:01:26 | Steven Gibson | M | 32 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 112 | 3:42:10 | Jackie Gilberg | F | 48 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 33 | 7:11:42 | William Gilchrist | M | 31 | NM | 01/08/05 | 50 | . | . | 1 | . | 1 | 50 |
| 21 | 2:38:03 | Doug Gimenez | M | 56 | TX | 01/05/08 | 25 | . | 2 | . | 1 | 3 | 225 |
| 5 | 12:21:06 | Doug Gimenez | M | 54 | TX | 01/07/06 | 100 | . | 2 | . | 1 | 3 | 225 |
| 28 | 21:34:32 | Doug Gimenez | M | 51 | TX | 01/11/03 | 100 | . | 2 | . | 1 | 3 | 225 |
| . | 8:22:16 | Henri Girault | M | 70 | France | 01/13/07 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 116 | 7:30:50 | Jerry Glasscock | M | 44 | TX | 01/09/10 | 50 | . | . | 1 | 1 | 2 | 75 |
| 94 | 3:02:21 | Jerry Glasscock | M | 43 | TN | 01/10/09 | 25 | . | . | 1 | 1 | 2 | 75 |
| 20 | 11:53:21 | Patton Gleason | M | 31 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 107 | 3:16:25 | Katie Glenesk | F | 22 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 142 | 8:32:11 | Weldon Glockzin | M | 66 | TX | 01/09/10 | 50 | . | . | 4 | 2 | 6 | 250 |
| 66 | 8:26:51 | Weldon Glockzin | M | 63 | TX | 01/13/07 | 50 | . | . | 4 | 2 | 6 | 250 |
| 52 | 7:31:23 | Weldon Glockzin | M | 62 | TX | 01/07/06 | 50 | . | . | 4 | 2 | 6 | 250 |
| 37 | 7:26:12 | Weldon Glockzin | M | 61 | TX | 01/08/05 | 50 | . | . | 4 | 2 | 6 | 250 |
| 38 | 3:10:45 | Weldon Glockzin | M | 60 | TX | 01/10/04 | 25 | . | . | 4 | 2 | 6 | 250 |
| 41 | 3:28:34 | Weldon Glockzin | M | 59 | TX | 01/11/03 | 25 | . | . | 4 | 2 | 6 | 250 |
| 51 | 7:26:34 | Jan Gnass | M | 56 | OR | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 135 | 8:11:05 | James Goetschius | M | 37 | TX | 01/09/10 | 50 | dnf100km | . | 2 | . | 2 | 100 |
| 33 | 7:03:56 | James Goetschius | M | 35 | TX | 01/05/08 | 50 | . | . | 2 | . | 2 | 100 |
| 83 | 3:37:14 | Jeremy Golding | M | 20 | ME | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 100 | 6:18:36 | Pete Golding | M | 50 | TX | 01/07/06 | 50 | dnf100km | 1 | 1 | . | 2 | 150 |
| 28 | 15:56:38 | Pete Golding | M | 51 | ME | 01/13/07 | 100 | . | 1 | 1 | . | 2 | 150 |
| 38 | 7:14:05 | Bill Gomboc | M | 53 | OK | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 217 | 4:53:47 | Domingo Gomez | M | 45 | TX | 01/09/10 | 25 | . | . | . | 3 | 3 | 75 |
| 97 | 3:29:14 | Domingo Gomez | M | 43 | TX | 01/05/08 | 25 | . | . | . | 3 | 3 | 75 |
| 120 | 4:38:08 | Domingo Gomez | M | 40 | TX | 01/08/05 | 25 | . | . | . | 3 | 3 | 75 |
| 133 | 4:29:07 | Becky Gomolka | F | 45 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 60 | 8:15:23 | Ed Gomolka | M | 48 | TX | 01/13/07 | 50 | . | . | 2 | . | 2 | 100 |
| 66 | 9:10:51 | Ed Gomolka | M | 46 | TX | 01/08/05 | 50 | . | . | 2 | . | 2 | 100 |
| 169 | 3:55:36 | Adrian Gonzales | M | 36 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 1 | 0:08:07 | Dante Gonzales | M | 9 | TX | 01/09/10 | 1 | . | . | . | . | 0 | 0 |
| 14 | 2:27:35 | Edgardo Gonzalez | M | 32 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 77 | 3:09:10 | Eduardo Gonzalez | M | 33 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 94 | 7:00:17 | Kelly Goode | F | 40 | CO | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 14 | 5:29:50 | Michael Goodman | M | 34 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 56 | 19:00:12 | Paul Goodwin | M | 27 | TX | 01/13/07 | 100 | . | 1 | . | . | 1 | 100 |
| 3 | 5:46:18 | Keith Gora | M | 29 | TX | 01/10/04 | 50 | . | . | 1 | . | 1 | 50 |
| 7 | 2:17:57 | Alex Gordon | M | 15 | NM | 01/09/10 | 25 | . | . | . | 3 | 3 | 75 |
| 18 | 2:21:51 | Alex Gordon | M | 14 | NM | 01/10/09 | 25 | . | . | . | 3 | 3 | 75 |
| 38 | 2:50:15 | Alex Gordon | M | 12 | NM | 01/05/08 | 25 | . | . | . | 3 | 3 | 75 |
| 49 | 6:04:34 | Charles Gordon | M | 27 | TX | 01/09/10 | 50 | . | . | 1 | 1 | 2 | 75 |
| 49 | 2:57:36 | Charles Gordon | M | 25 | TX | 01/05/08 | 25 | . | . | 1 | 1 | 2 | 75 |
| 34 | 2:32:32 | Josh Gordon | M | 15 | NM | 01/10/09 | 25 | . | . | . | 4 | 4 | 100 |
| 37 | 2:50:14 | Josh Gordon | M | 14 | NM | 01/05/08 | 25 | . | . | . | 4 | 4 | 100 |
| 2 | 2:13:44 | Josh Gordon | M | 16 | NM | 01/09/10 | 25 | . | . | . | 4 | 4 | 100 |
| 79 | 3:29:05 | Josh Gordon | M | 13 | NM | 01/13/07 | 25 | . | . | . | 4 | 4 | 100 |
| 4 | 4:28:07 | Ken Gordon | M | 44 | NM | 01/09/10 | 50 | . | 1 | 3 | . | 4 | 250 |
| 3 | 4:44:45 | Ken Gordon | M | 42 | NM | 01/05/08 | 50 | . | 1 | 3 | . | 4 | 250 |
| 1 | 10:58:38 | Ken Gordon | M | 41 | NM | 01/13/07 | 100 | . | 1 | 3 | . | 4 | 250 |
| 1 | 4:09:50 | Ken Gordon | M | 40 | NM | 01/07/06 | 50 | . | 1 | 3 | . | 4 | 250 |
| 52 | 14:41:50 | Scott Gordon | M | 47 | NM | 01/10/09 | 100 | . | 8 | . | . | 8 | 800 |
| 49 | 15:55:10 | Scott Gordon | M | 46 | NM | 01/05/08 | 100 | . | 8 | . | . | 8 | 800 |
| 17 | 14:40:40 | Scott Gordon | M | 45 | NM | 01/13/07 | 100 | . | 8 | . | . | 8 | 800 |
| 14 | 13:21:18 | Scott Gordon | M | 44 | TX | 01/07/06 | 100 | . | 8 | . | . | 8 | 800 |
| 6 | 13:48:20 | Scott Gordon | M | 43 | NM | 01/08/05 | 100 | . | 8 | . | . | 8 | 800 |
| 10 | 12:40:32 | Scott Gordon | M | 42 | NM | 01/10/04 | 100 | . | 8 | . | . | 8 | 800 |
| 5 | 12:08:52 | Scott Gordon | M | 41 | NM | 01/11/03 | 100 | . | 8 | . | . | 8 | 800 |
| 46 | 14:42:13 | Scott Gordon | M | 48 | NM | 01/09/10 | 100 | . | 8 | . | . | 8 | 800 |
| 193 | 3:59:23 | Elizabeth Gossett | F | 47 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 159 | 3:45:34 | Krystn Goulet | F | 45 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 72 | 6:29:44 | Malane Grace | F | 45 | OK | 01/09/10 | 50 | . | . | 1 | 1 | 2 | 75 |
| 70 | 3:21:18 | Malane Grace | F | 42 | OK | 01/13/07 | 25 | . | . | 1 | 1 | 2 | 75 |
| 95 | 3:43:09 | Joshua Grahmann | M | 31 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 100 | 3:32:26 | Terry Grater | F | 38 | TX | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 126 | 4:08:24 | Terry Grater | F | 37 | TX | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 43 | 3:03:42 | Brent Graves | M | 33 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 41 | 2:48:30 | Frannie Graves | F | 44 | NH | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 137 | 3:36:22 | Kelly Green | F | 35 | TX | 01/09/10 | 25 | . | . | . | 4 | 4 | 100 |
| 138 | 3:21:13 | Kelly Green | F | 34 | TX | 01/10/09 | 25 | . | . | . | 4 | 4 | 100 |
| 113 | 3:44:17 | Kelly Green | F | 33 | TX | 01/05/08 | 25 | . | . | . | 4 | 4 | 100 |
| 99 | 3:45:45 | Kelly Green | F | 32 | TX | 01/13/07 | 25 | . | . | . | 4 | 4 | 100 |
| 68 | 8:35:58 | Travis Green | M | 43 | TX | 01/13/07 | 50 | . | . | 2 | . | 2 | 100 |
| 76 | 9:03:37 | Travis Green | M | 42 | TX | 01/07/06 | 50 | . | . | 2 | . | 2 | 100 |
| 70 | 18:42:32 | Adam Greene | M | 26 | TX | 01/05/08 | 100 | . | 1 | . | . | 1 | 100 |
| 133 | 6:59:46 | Michelle Greeson | F | 37 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 16 | 2:21:06 | Jo Gregory | F | 25 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 71 | 15:48:24 | Andrew Gresham | M | 46 | TX | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 60 | 2:48:05 | Daniel Grieves | M | 35 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 61 | 4:06:42 | Audrey Griffin | F | 46 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 41 | 7:25:06 | Griff Griffin | M | 59 | TX | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 19 | 18:41:48 | Duane Grigg | M | 51 | MO | 01/11/03 | 100 | . | 1 | . | . | 1 | 100 |
| 47 | 8:26:27 | PJ Grogan | M | 38 | TX | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| . | 5:32:14 | Joey Guajardo | M | 27 | TX | 01/05/08 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 133 | 7:55:59 | Lucy Guevara | F | 41 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 19 | 5:15:17 | Jorge Guevara Jr | M | 41 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 64 | 2:48:52 | Darren Guy | M | 30 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 143 | 8:36:30 | Rusty Guynes | M | 41 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 54 | 7:56:43 | Susan Haag | F | 41 | FL | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 216 | 4:53:36 | Gib Hafernick | M | 56 | TX | 01/09/10 | 25 | . | . | . | 4 | 4 | 100 |
| 110 | 4:23:04 | Gib Hafernick | M | 50 | TX | 01/08/05 | 25 | . | . | . | 4 | 4 | 100 |
| 53 | 3:55:33 | Gib Hafernick | M | 49 | TX | 01/10/04 | 25 | . | . | . | 4 | 4 | 100 |
| 75 | 6:02:21 | Gib Hafernick | M | 48 | TX | 01/11/03 | 25 | . | . | . | 4 | 4 | 100 |
| 17 | 2:27:45 | Chris Hagan | M | 37 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 71 | 3:02:08 | Casey Hager | M | 31 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 14 | 5:31:37 | Dianna Hager | F | 46 | TX | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 90 | 18:36:15 | Fred Hagerman | M | 45 | TX | 01/09/10 | 100 | . | 1 | 1 | 1 | 3 | 175 |
| 132 | 3:18:31 | Fred Hagerman | M | 44 | TX | 01/10/09 | 25 | . | 1 | 1 | 1 | 3 | 175 |
| . | 8:12:40 | Fred Hagerman | M | 42 | TX | 01/13/07 | 50 | dnf100km | 1 | 1 | 1 | 3 | 175 |
| 92 | 3:25:59 | Beth Hair | F | 45 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 156 | 6:23:01 | Becky Hale | F | 29 | TX | 01/05/08 | 25 | . | . | . | 3 | 3 | 75 |
| 133 | 6:27:50 | Becky Hale | F | 27 | TX | 01/07/06 | 25 | . | . | . | 3 | 3 | 75 |
| 128 | 5:16:52 | Becky Hale | F | 26 | TX | 01/08/05 | 25 | . | . | . | 3 | 3 | 75 |
| 63 | 4:15:08 | Corinne Hale | F | 46 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 74 | 3:04:21 | Katie Hale | F | 29 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 81 | 17:14:11 | Leslie Hale | F | 57 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 76 | 3:04:32 | Roger Hale | M | 53 | TX | 01/09/10 | 25 | . | . | . | 2 | 2 | 50 |
| 27 | 2:51:13 | Roger Hale | M | 46 | TX | 01/11/03 | 25 | . | . | . | 2 | 2 | 50 |
| 62 | 6:18:38 | Chris Haley | M | 37 | TX | 01/09/10 | 50 | . | . | 1 | 1 | 2 | 75 |
| 50 | 2:41:38 | Chris Haley | M | 36 | TX | 01/10/09 | 25 | . | . | 1 | 1 | 2 | 75 |
| 33 | 13:28:39 | Megan Haley | F | 44 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 73 | 3:32:50 | Wayne Haley | M | 49 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 55 | 2:56:57 | Ian Hall | M | 30 | TX | 01/09/10 | 25 | . | . | . | 2 | 2 | 50 |
| 97 | 3:03:11 | Ian Hall | M | 29 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 4 | 4:54:06 | Larry Hall | M | 54 | IL | 01/10/09 | 50 | . | . | 2 | . | 2 | 100 |
| 5 | 4:58:44 | Larry Hall | M | 53 | IL | 01/05/08 | 50 | . | . | 2 | . | 2 | 100 |
| 50 | 3:09:37 | Steve Hall | M | 47 | TX | 01/08/05 | 25 | . | . | 1 | 1 | 2 | 75 |
| 48 | 8:43:09 | Steve Hall | M | 46 | TX | 01/10/04 | 50 | . | . | 1 | 1 | 2 | 75 |
| 193 | 4:20:37 | Rhonda Halliburton | F | 44 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 87 | 2:58:48 | Martha Hallman | F | 47 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 71 | 3:04:49 | Martha Hallman | F | 46 | TX | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 57 | 15:31:44 | Nancy Halpin | F | 49 | NM | 01/09/10 | 100 | . | 6 | . | . | 6 | 600 |
| 64 | 15:31:39 | Nancy Halpin | F | 48 | NM | 01/10/09 | 100 | . | 6 | . | . | 6 | 600 |
| 44 | 15:42:59 | Nancy Halpin | F | 47 | NM | 01/05/08 | 100 | . | 6 | . | . | 6 | 600 |
| 25 | 15:38:54 | Nancy Halpin | F | 46 | NM | 01/13/07 | 100 | . | 6 | . | . | 6 | 600 |
| 25 | 14:22:00 | Nancy Halpin | F | 43 | NM | 01/10/04 | 100 | . | 6 | . | . | 6 | 600 |
| 11 | 14:54:00 | Nancy Halpin | F | 42 | NM | 01/11/03 | 100 | . | 6 | . | . | 6 | 600 |
| 28 | 6:48:17 | Bill Hamilton | M | 36 | TX | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 136 | 8:21:29 | Dan Hamilton | M | 53 | TX | 01/09/10 | 50 | dnf100km | 2 | 1 | 1 | 4 | 275 |
| 85 | 16:37:08 | Dan Hamilton | M | 52 | TX | 01/10/09 | 100 | . | 2 | 1 | 1 | 4 | 275 |
| 52 | 16:20:28 | Dan Hamilton | M | 51 | TX | 01/05/08 | 100 | . | 2 | 1 | 1 | 4 | 275 |
| 65 | 3:18:20 | Dan Hamilton | M | 50 | TX | 01/13/07 | 25 | . | 2 | 1 | 1 | 4 | 275 |
| 62 | 8:30:33 | John Hamilton | M | 52 | TX | 01/08/05 | 50 | . | . | 1 | . | 1 | 50 |
| 84 | 6:39:58 | Stacey Hamilton | F | 48 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 42 | 7:36:26 | Stephen Hampton | M | 34 | TX | 01/08/05 | 50 | . | . | 2 | 1 | 3 | 125 |
| 32 | 7:33:54 | Stephen Hampton | M | 33 | TX | 01/10/04 | 50 | . | . | 2 | 1 | 3 | 125 |
| 33 | 3:09:06 | Stephen Hampton | M | 32 | TX | 01/11/03 | 25 | . | . | 2 | 1 | 3 | 125 |
| 45 | 14:40:00 | David Hanenburg | M | 36 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 120 | 6:47:13 | Jeff Hanson | M | 45 | TX | 01/09/10 | 50 | dnf100km | 1 | 1 | . | 2 | 150 |
| 43 | 14:22:28 | Jeff Hanson | M | 44 | TX | 01/10/09 | 100 | . | 1 | 1 | . | 2 | 150 |
| 143 | 4:56:18 | Robbi Hardesty | F | 36 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 29 | 2:57:27 | Jonathan Hardy | M | 23 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 75 | 3:24:59 | Michelle Hardy | F | 29 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 45 | 2:39:21 | Dan Hare | M | 35 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 67 | 3:03:47 | Dan Hare | M | 34 | TX | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 10 | 2:04:10 | Josh Hare | M | 27 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 24 | 13:12:02 | Lynne Harkey | F | 41 | TX | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 5 | 2:14:19 | Michael Harnisch | M | 35 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 24 | 6:38:54 | Richard Harpel | M | 34 | TX | 01/08/05 | 50 | . | . | 1 | . | 1 | 50 |
| 208 | 4:33:16 | Paul Harper | M | 42 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 101 | 18:34:45 | Elise Harrington | F | 53 | CO | 01/10/09 | 100 | . | 3 | . | . | 3 | 300 |
| 62 | 17:48:13 | Elise Harrington | F | 52 | CO | 01/05/08 | 100 | . | 3 | . | . | 3 | 300 |
| 42 | 17:30:30 | Elise Harrington | F | 51 | CO | 01/13/07 | 100 | . | 3 | . | . | 3 | 300 |
| 3 | 2:04:09 | Matt Harrington | M | 37 | TX | 01/08/05 | 25 | . | 2 | 1 | 1 | 4 | 275 |
| 1 | 9:25:39 | Matt Harrington | M | 36 | TX | 01/10/04 | 100 | . | 2 | 1 | 1 | 4 | 275 |
| 52 | 4:23:10 | Matt Harrington | M | 35 | TX | 01/11/03 | 50 | dnf100km | 2 | 1 | 1 | 4 | 275 |
| 42 | 15:42:24 | Max Harrington | M | 40 | TX | 01/05/08 | 100 | . | 2 | 1 | 1 | 4 | 275 |
| 107 | 3:49:39 | Sara Harrington | F | 33 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 139 | 8:02:02 | Andrew Harris | M | 28 | TX | 01/10/09 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 4 | 0:10:01 | Dai'Lyn Harris | F | 8 | OK | 01/10/09 | 1 | . | . | . | . | 0 | 0 |
| 40 | 3:19:56 | Gayla Harris | F | 54 | TX | 01/10/04 | 25 | . | . | 1 | 1 | 2 | 75 |
| 44 | 8:02:00 | Gayla Harris | F | 53 | TX | 01/11/03 | 50 | . | . | 1 | 1 | 2 | 75 |
| 71 | 3:14:38 | Robert Harris | M | 57 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 57 | 15:05:27 | Christi Harrison | F | 49 | CA | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 125 | 4:04:35 | Davey Harrison | M | 55 | TX | 01/05/08 | 25 | . | . | . | 5 | 5 | 125 |
| 89 | 3:40:30 | Davey Harrison | M | 54 | TX | 01/13/07 | 25 | . | . | . | 5 | 5 | 125 |
| 137 | 8:18:36 | Davey Harrison | M | 53 | TX | 01/07/06 | 25 | . | . | . | 5 | 5 | 125 |
| 93 | 3:47:10 | Davey Harrison | M | 52 | TX | 01/08/05 | 25 | . | . | . | 5 | 5 | 125 |
| 46 | 3:37:54 | Davey Harrison | M | 50 | TX | 01/11/03 | 25 | . | . | . | 5 | 5 | 125 |
| 25 | 6:39:41 | Matthew Hartwell | M | 17 | MI | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 46 | 7:34:02 | Selena Harvey | F | 44 | TX | 01/13/07 | 50 | . | . | 2 | . | 2 | 100 |
| 42 | 6:57:07 | Selena Harvey | F | 43 | TX | 01/07/06 | 50 | . | . | 2 | . | 2 | 100 |
| 56 | 6:11:25 | Dean Harvie | M | 34 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 39 | 15:37:39 | Jack Hase | M | 46 | TX | 01/05/08 | 100 | . | 1 | . | . | 1 | 100 |
| 202 | 4:28:05 | Mark Hawkins | M | 42 | TX | 01/09/10 | 25 | . | . | . | 4 | 4 | 100 |
| 223 | 4:50:37 | Mark Hawkins | M | 41 | TX | 01/10/09 | 25 | . | . | . | 4 | 4 | 100 |
| 114 | 3:44:35 | Mark Hawkins | M | 40 | TX | 01/05/08 | 25 | . | . | . | 4 | 4 | 100 |
| 102 | 3:46:00 | Mark Hawkins | M | 39 | TX | 01/13/07 | 25 | . | . | . | 4 | 4 | 100 |
| . | 7:40:02 | Daniel Hawthorne | M | 30 | TX | 01/05/08 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 22 | 5:43:43 | Amy Hayes | F | 47 | CO | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 51 | 7:32:10 | Connie Hayes | F | 51 | AZ | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 41 | 15:42:23 | Danny Hayes | M | 31 | NY | 01/05/08 | 100 | . | 1 | . | . | 1 | 100 |
| 16 | 6:21:55 | Janie Hayes | F | 34 | DC | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| . | 8:04:34 | Michael Hayes | M | 32 | Turkey | 01/13/07 | 50 | dnf100km | 3 | 1 | . | 4 | 350 |
| 19 | 14:13:32 | Michael Hayes | M | 31 | TX | 01/07/06 | 100 | . | 3 | 1 | . | 4 | 350 |
| 4 | 13:31:12 | Michael Hayes | M | 30 | TX | 01/08/05 | 100 | . | 3 | 1 | . | 4 | 350 |
| 13 | 13:09:54 | Michael Hayes | M | 29 | TX | 01/10/04 | 100 | . | 3 | 1 | . | 4 | 350 |
| 38 | 7:30:38 | Wendy Hazelwood | F | 29 | TX | 01/08/05 | 50 | . | . | 1 | . | 1 | 50 |
| 126 | 5:06:59 | Chuck Hazzard | M | 48 | ME | 01/10/09 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 13 | 6:34:27 | Chris Hearne | M | 49 | TX | 01/10/04 | 50 | . | . | 2 | . | 2 | 100 |
| 25 | 6:27:23 | Chris Hearne | M | 48 | TX | 01/11/03 | 50 | . | . | 2 | . | 2 | 100 |
| 11 | 13:13:35 | Kelly Heath | M | 44 | TX | 01/07/06 | 100 | . | 1 | 1 | . | 2 | 150 |
| 53 | 5:06:25 | Kelly Heath | M | 42 | TX | 01/10/04 | 50 | dnf100km | 1 | 1 | . | 2 | 150 |
| 12 | 11:51:00 | Melissa Heggen | F | 32 | TX | 01/10/09 | 100 | . | 2 | 1 | . | 3 | 250 |
| 13 | 14:22:00 | Melissa Heggen | F | 30 | CO | 01/13/07 | 100 | . | 2 | 1 | . | 3 | 250 |
| 8 | 5:27:08 | Melissa Heggen | F | 29 | TX | 01/07/06 | 50 | . | 2 | 1 | . | 3 | 250 |
| 13 | 13:18:17 | Ed Heller | M | 43 | TX | 01/07/06 | 100 | . | 1 | . | . | 1 | 100 |
| 106 | 7:17:55 | John Heller | M | 27 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 130 | 3:17:59 | Timothy Helmstetter | M | 44 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 17 | 2:37:26 | John Hempfling | M | 35 | TX | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 25 | 2:37:31 | John Hempfling | M | 33 | TX | 01/08/05 | 25 | . | . | . | 2 | 2 | 50 |
| 3 | 11:25:40 | Mark Henderson | M | 47 | TX | 01/05/08 | 100 | . | 1 | . | . | 1 | 100 |
| 62 | 3:23:50 | Jo Ann Hendley | F | 41 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 97 | 3:13:07 | Chris Hendricks | M | 38 | TX | 01/09/10 | 25 | . | . | 2 | 1 | 3 | 125 |
| 45 | 7:05:18 | Chris Hendricks | M | 35 | TX | 01/07/06 | 50 | . | . | 2 | 1 | 3 | 125 |
| 30 | 6:56:20 | Chris Hendricks | M | 34 | TX | 01/08/05 | 50 | . | . | 2 | 1 | 3 | 125 |
| 122 | 3:59:17 | Marla Hendricks | F | . | TX | 01/05/08 | 25 | . | 1 | . | 1 | 2 | 125 |
| 52 | 23:03:17 | Marla Hendricks | F | 49 | TX | 01/10/04 | 100 | . | 1 | . | 1 | 2 | 125 |
| 25 | 2:26:08 | Cynthia Henges | F | 31 | TX | 01/10/09 | 25 | . | . | . | 3 | 3 | 75 |
| 18 | 2:21:49 | Cynthia Henges | F | 28 | TX | 01/07/06 | 25 | . | . | . | 3 | 3 | 75 |
| 15 | 2:25:12 | Cynthia Henges | F | 27 | TX | 01/08/05 | 25 | . | . | . | 3 | 3 | 75 |
| 19 | 2:22:18 | Michael Hennessey | M | 39 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 26 | 6:32:02 | Melanie Hennis | F | 40 | TX | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 15 | 5:10:14 | Jean Herbert | F | 53 | NM | 01/09/10 | 50 | . | . | 4 | . | 4 | 200 |
| 5 | 4:54:15 | Jean Herbert | F | 52 | NM | 01/10/09 | 50 | . | . | 4 | . | 4 | 200 |
| 6 | 5:27:48 | Jean Herbert | F | 50 | NM | 01/13/07 | 50 | . | . | 4 | . | 4 | 200 |
| 25 | 6:22:09 | Jean Herbert | F | 49 | NM | 01/07/06 | 50 | . | . | 4 | . | 4 | 200 |
| 38 | 7:17:34 | Maria Hermon | F | 49 | TX | 01/13/07 | 50 | . | . | 2 | . | 2 | 100 |
| 48 | 7:14:35 | Maria Hermon | F | 48 | TX | 01/07/06 | 50 | . | . | 2 | . | 2 | 100 |
| 33 | 6:58:19 | Grace Herrington | F | 22 | TX | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 122 | 3:28:01 | Julie Herron | F | 43 | TX | 01/09/10 | 25 | . | . | . | 3 | 3 | 75 |
| 141 | 3:23:18 | Julie Herron | F | 42 | TX | 01/10/09 | 25 | . | . | . | 3 | 3 | 75 |
| 93 | 3:41:52 | Julie Herron | F | 40 | TX | 01/13/07 | 25 | . | . | . | 3 | 3 | 75 |
| 9 | 12:26:46 | Joseph Hewitt | M | 49 | ONT | 01/10/04 | 100 | . | 1 | . | . | 1 | 100 |
| 65 | 16:05:50 | Diana Heynen | F | 55 | TX | 01/09/10 | 100 | . | 7 | 1 | . | 8 | 750 |
| 40 | 14:06:17 | Diana Heynen | F | 54 | TX | 01/10/09 | 100 | . | 7 | 1 | . | 8 | 750 |
| 46 | 15:50:43 | Diana Heynen | F | 53 | TX | 01/05/08 | 100 | . | 7 | 1 | . | 8 | 750 |
| 32 | 16:23:44 | Diana Heynen | F | 52 | TX | 01/13/07 | 100 | . | 7 | 1 | . | 8 | 750 |
| 40 | 16:35:37 | Diana Heynen | F | 51 | TX | 01/07/06 | 100 | . | 7 | 1 | . | 8 | 750 |
| 13 | 15:24:46 | Diana Heynen | F | 50 | TX | 01/08/05 | 100 | . | 7 | 1 | . | 8 | 750 |
| 17 | 6:41:12 | Diana Heynen | F | 49 | TX | 01/10/04 | 50 | . | 7 | 1 | . | 8 | 750 |
| 26 | 20:41:55 | Diana Heynen | F | 48 | TX | 01/11/03 | 100 | . | 7 | 1 | . | 8 | 750 |
| 60 | 20:02:08 | Robert Heynen | M | 57 | TX | 01/13/07 | 100 | . | 3 | . | . | 3 | 300 |
| 28 | 17:28:38 | Robert Heynen | M | 55 | TX | 01/08/05 | 100 | . | 3 | . | . | 3 | 300 |
| 25 | 20:38:26 | Robert Heynen | M | 53 | TX | 01/11/03 | 100 | . | 3 | . | . | 3 | 300 |
| 36 | 13:54:36 | Claude Hicks Jr | M | 49 | TX | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 40 | 6:21:08 | Jon Hill | M | 39 | TX | 01/10/09 | 50 | . | . | 1 | 2 | 3 | 100 |
| 4 | 2:13:15 | Jon Hill | M | 34 | TX | 01/10/04 | 25 | . | . | 1 | 2 | 3 | 100 |
| 3 | 2:14:53 | Jon Hill | M | 33 | TX | 01/11/03 | 25 | . | . | 1 | 2 | 3 | 100 |
| 38 | 6:21:07 | Nancy Hill | F | 41 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 88 | 6:04:32 | Patrick Hinds | M | 39 | BC | 01/08/05 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 157 | 7:45:06 | Delbert Hirst | M | 55 | TX | 01/05/08 | 25 | . | . | 1 | 2 | 3 | 100 |
| 82 | 17:09:15 | Delbert Hirst | M | 54 | TX | 01/13/07 | 50 | . | . | 1 | 2 | 3 | 100 |
| 135 | 6:39:09 | Delbert Hirst | M | 53 | TX | 01/07/06 | 25 | . | . | 1 | 2 | 3 | 100 |
| 30 | 13:45:27 | Barbara Hitzfeld | F | 47 | TX | 01/10/09 | 100 | . | 3 | 2 | . | 5 | 400 |
| 19 | 13:49:49 | Barbara Hitzfeld | F | 46 | TX | 01/05/08 | 100 | . | 3 | 2 | . | 5 | 400 |
| 15 | 5:55:39 | Barbara Hitzfeld | F | 44 | TX | 01/07/06 | 50 | . | 3 | 2 | . | 5 | 400 |
| 91 | 6:08:49 | Barbara Hitzfeld | F | 43 | TX | 01/08/05 | 50 | dnf100km | 3 | 2 | . | 5 | 400 |
| 17 | 13:46:32 | Barbara Hitzfeld | F | 42 | TX | 01/10/04 | 100 | . | 3 | 2 | . | 5 | 400 |
| 20 | 12:45:46 | George Hitzfeld | M | 48 | TX | 01/10/09 | 100 | . | 4 | 1 | . | 5 | 450 |
| 12 | 12:48:06 | George Hitzfeld | M | 47 | TX | 01/05/08 | 100 | . | 4 | 1 | . | 5 | 450 |
| 8 | 12:56:23 | George Hitzfeld | M | 45 | TX | 01/07/06 | 100 | . | 4 | 1 | . | 5 | 450 |
| 90 | 6:08:39 | George Hitzfeld | M | 44 | TX | 01/08/05 | 50 | dnf100km | 4 | 1 | . | 5 | 450 |
| 16 | 13:46:32 | George Hitzfeld | M | 43 | TX | 01/10/04 | 100 | . | 4 | 1 | . | 5 | 450 |
| 14 | 2:34:24 | Chuck Hobbs | M | 44 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 67 | 15:38:22 | Henry Hobbs | M | 53 | TX | 01/10/09 | 100 | . | 7 | . | . | 7 | 700 |
| 33 | 15:10:57 | Henry Hobbs | M | 52 | TX | 01/05/08 | 100 | . | 7 | . | . | 7 | 700 |
| 29 | 16:09:54 | Henry Hobbs | M | 51 | DC | 01/13/07 | 100 | . | 7 | . | . | 7 | 700 |
| 39 | 16:35:37 | Henry Hobbs | M | 50 | TX | 01/07/06 | 100 | . | 7 | . | . | 7 | 700 |
| 23 | 16:52:12 | Henry Hobbs | M | 49 | TX | 01/08/05 | 100 | . | 7 | . | . | 7 | 700 |
| 36 | 16:21:17 | Henry Hobbs | M | 48 | TX | 01/10/04 | 100 | . | 7 | . | . | 7 | 700 |
| 20 | 18:52:35 | Henry Hobbs | M | 47 | TX | 01/11/03 | 100 | . | 7 | . | . | 7 | 700 |
| 51 | 3:13:53 | Stacey Hodge | F | 41 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 149 | 5:17:25 | Jean Hoepfel | F | 60 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 50 | 7:32:10 | Carla Hoffman | F | 49 | TX | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 32 | 2:31:36 | Kervin Hoffman | M | 38 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 147 | 5:23:27 | Lisa Hogan | F | 40 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 110 | 9:01:31 | Nancy Hogan | F | 49 | TX | 01/10/09 | 50 | . | . | 2 | 1 | 3 | 125 |
| 120 | 4:50:10 | Nancy Hogan | F | 46 | TX | 01/07/06 | 25 | . | . | 2 | 1 | 3 | 125 |
| 79 | 10:47:24 | Nancy Hogan | F | 45 | TX | 01/08/05 | 50 | . | . | 2 | 1 | 3 | 125 |
| 209 | 4:35:49 | James Holbrook | M | 40 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 97 | 3:52:25 | Rebecca Holladay | F | 25 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 72 | 2:52:04 | Clay Holland | M | 30 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 66 | 4:36:20 | DonnaLou Holland | F | 52 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 34 | 6:43:40 | Ray Holland | M | 51 | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 98 | 7:42:25 | Steve Holland | M | 47 | TX | 01/08/05 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 15 | 5:34:01 | Tracy Holland | F | 43 | TX | 01/10/09 | 50 | . | . | 4 | . | 4 | 200 |
| 10 | 5:55:39 | Tracy Holland | F | 42 | TX | 01/05/08 | 50 | . | . | 4 | . | 4 | 200 |
| 8 | 5:29:31 | Tracy Holland | F | 41 | TX | 01/13/07 | 50 | . | . | 4 | . | 4 | 200 |
| 7 | 5:38:49 | Tracy Holland | F | 39 | TX | 01/08/05 | 50 | . | . | 4 | . | 4 | 200 |
| 151 | 8:49:51 | Jerry Hollingsworth | M | 57 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 75 | 8:53:30 | Dorothy Hollis | F | 53 | TX | 01/13/07 | 50 | . | . | 1 | 1 | 2 | 75 |
| 114 | 4:33:37 | Dorothy Hollis | F | 52 | TX | 01/07/06 | 25 | . | . | 1 | 1 | 2 | 75 |
| 26 | 6:42:54 | Chad Holman | M | 25 | TX | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 106 | 3:49:03 | Megan Holman | F | 27 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 180 | 4:05:45 | Derrick Holmes | M | 37 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 96 | 7:01:13 | Jason Holmes | M | 33 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 156 | 9:01:37 | Jessica Holmes | F | 27 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 60 | 6:17:32 | Laura Holmes | F | 36 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 3 | 4:42:58 | Todd Holmes | M | 52 | CO | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 77 | 19:47:46 | Pat Homelvig | M | 48 | CO | 01/05/08 | 100 | . | 1 | . | . | 1 | 100 |
| 55 | 20:13:27 | Steve Hookanson | M | 49 | TX | 01/07/06 | 100 | . | 1 | . | . | 1 | 100 |
| 103 | 7:09:53 | Ryan Hopkins | M | 37 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 37 | 16:38:59 | Mike Hopton | M | 55 | AL | 01/13/07 | 100 | . | 1 | . | . | 1 | 100 |
| 82 | 6:37:19 | Brian Hopton-Jones | M | 22 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 48 | 2:57:07 | Sam House | M | 41 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 157 | 9:06:24 | William David Hover | M | 59 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 47 | 2:49:46 | Brian Hovey | M | 37 | TX | 01/09/10 | 25 | . | . | . | 2 | 2 | 50 |
| 30 | 2:28:34 | Brian Hovey | M | 36 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 103 | 3:15:46 | Tammy Hovik | F | 51 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 1 | 5:11:06 | Andres Howard | M | 30 | TX | 01/10/04 | 50 | . | . | 1 | . | 1 | 50 |
| 11 | 11:48:56 | Elizabeth Howard | F | 36 | TX | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 107 | 8:41:46 | Dawn Howell | F | 38 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 53 | 6:09:38 | Emily Howell | F | 39 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| . | 5:58:21 | James Howton | M | 32 | AR | 01/13/07 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 79 | 3:27:38 | Dan Huckabee | M | 54 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 28 | 15:23:10 | Stephen Hudgens | M | 50 | TX | 01/07/06 | 100 | . | 1 | . | . | 1 | 100 |
| 166 | 3:50:40 | Allen Hudson | M | 25 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 58 | 2:55:13 | Scott Hudson | M | 48 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 88 | 18:28:32 | Wade Hudson | M | 33 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 57 | 8:10:30 | Randall Huebner | M | 58 | TX | 01/05/08 | 50 | . | . | 2 | . | 2 | 100 |
| 34 | 7:39:33 | Randall Huebner | M | 54 | TX | 01/10/04 | 50 | . | . | 2 | . | 2 | 100 |
| 87 | 5:00:10 | Jim Huffman | M | 36 | UT | 01/08/05 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 3 | 0:09:28 | Ethan Huie | M | 7 | TX | 01/10/09 | 1 | . | . | . | . | 0 | 0 |
| 133 | 7:12:31 | Stephanie Huie | F | 34 | TX | 01/10/09 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 67 | 3:00:54 | David Hulsizer | M | 27 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 6 | 6:02:52 | Linda Hurd | F | 42 | TX | 01/10/04 | 50 | . | 1 | 1 | . | 2 | 150 |
| 16 | 16:52:09 | Linda Hurd | F | 41 | TX | 01/11/03 | 100 | . | 1 | 1 | . | 2 | 150 |
| 166 | 3:37:15 | Ingrid Husby | F | 19 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 165 | 3:37:15 | Nancy Husby | F | 48 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 11 | 12:52:10 | Carlos Ibarra | M | 32 | TX | 01/10/04 | 100 | . | 1 | 1 | . | 2 | 150 |
| 5 | 4:47:32 | Carlos Ibarra | M | 31 | TX | 01/11/03 | 50 | . | 1 | 1 | . | 2 | 150 |
| 155 | 3:43:52 | Crystal Ignacio | F | 28 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 154 | 3:43:52 | Joel Ignacio | M | 32 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 80 | 16:11:10 | Marcia Inger | F | 38 | TX | 01/10/09 | 100 | . | 1 | 1 | . | 2 | 150 |
| 42 | 7:20:21 | Marcia Inger | F | 37 | TX | 01/05/08 | 50 | . | 1 | 1 | . | 2 | 150 |
| 105 | 7:17:55 | Andi Ingram | F | 32 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 98 | 3:44:31 | Emily Ingram | F | 34 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 32 | 2:37:48 | Sam Ingram | M | 26 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 70 | 8:53:36 | Dawn Isensee | F | 48 | TX | 01/05/08 | 50 | . | . | 1 | 2 | 3 | 100 |
| 80 | 3:29:20 | Dawn Isensee | F | 46 | TX | 01/07/06 | 25 | . | . | 1 | 2 | 3 | 100 |
| 121 | 4:02:22 | Dawn Isensee | F | 47 | TX | 01/13/07 | 25 | . | . | 1 | 2 | 3 | 100 |
| 39 | 2:37:01 | Richard Iverson | M | 48 | NM | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 146 | 10:24:59 | Angela Ivory | F | 42 | TN | 01/09/10 | 50 | dnf100km | 2 | 1 | . | 3 | 250 |
| 111 | 20:43:43 | Angela Ivory | F | 41 | TN | 01/10/09 | 100 | . | 2 | 1 | . | 3 | 250 |
| 87 | 21:21:35 | Angela Ivory | F | 39 | TN | 01/05/08 | 100 | . | 2 | 1 | . | 3 | 250 |
| 6 | 2:15:42 | William Jabour | M | 40 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 70 | 6:29:17 | David Jackson | M | 51 | TX | 01/09/10 | 50 | . | 1 | 4 | 1 | 6 | 325 |
| 190 | 3:53:09 | David Jackson | M | 50 | TX | 01/10/09 | 25 | . | 1 | 4 | 1 | 6 | 325 |
| 15 | 6:20:16 | David Jackson | M | 49 | TX | 01/05/08 | 50 | . | 1 | 4 | 1 | 6 | 325 |
| 25 | 14:48:13 | David Jackson | M | 47 | TX | 01/07/06 | 100 | . | 1 | 4 | 1 | 6 | 325 |
| 20 | 6:25:36 | David Jackson | M | 46 | TX | 01/08/05 | 50 | . | 1 | 4 | 1 | 6 | 325 |
| 24 | 6:22:55 | David Jackson | M | 44 | TX | 01/11/03 | 50 | . | 1 | 4 | 1 | 6 | 325 |
| 133 | 4:17:52 | Dina Jackson | F | 44 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 199 | 4:05:14 | Josephie Jackson | F | 46 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 112 | 3:55:27 | Emily Jacobs | F | 29 | DC | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 49 | 3:13:43 | Jen Jacobs | F | 29 | DC | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 138 | 8:12:58 | David Jacobson | M | 42 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 77 | 9:23:07 | Malea Jaffe | F | 50 | TX | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 78 | 9:23:08 | Roger Jaffe | M | 51 | TX | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 98 | 3:52:25 | Michelle James | F | 36 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 96 | 3:03:11 | John Jameson | M | 39 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 88 | 3:39:04 | Tim Janak Jr | M | 25 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 71 | 16:21:11 | Charlene Janiak | F | 57 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 76 | 9:20:42 | Robert Janiak | M | 61 | TX | 01/05/08 | 50 | . | . | 2 | . | 2 | 100 |
| 55 | 7:58:42 | Robert Janiak | M | 60 | TX | 01/13/07 | 50 | . | . | 2 | . | 2 | 100 |
| 88 | 7:32:06 | Richard Jares | M | 62 | TX | 01/10/09 | 50 | . | . | 3 | . | 3 | 150 |
| 41 | 7:18:46 | Richard Jares | M | 60 | TX | 01/05/08 | 50 | . | . | 3 | . | 3 | 150 |
| 56 | 8:10:24 | Richard Jares | M | 57 | TX | 01/08/05 | 50 | . | . | 3 | . | 3 | 150 |
| 128 | 7:27:22 | Herb Jarrell | M | 65 | TX | 01/09/10 | 50 | dnf100km | 5 | 1 | . | 6 | 550 |
| 62 | 15:24:37 | Herb Jarrell | M | 64 | TX | 01/10/09 | 100 | . | 5 | 1 | . | 6 | 550 |
| 48 | 15:51:53 | Herb Jarrell | M | 63 | TX | 01/05/08 | 100 | . | 5 | 1 | . | 6 | 550 |
| 48 | 17:51:59 | Herb Jarrell | M | 62 | TX | 01/13/07 | 100 | . | 5 | 1 | . | 6 | 550 |
| 20 | 14:27:38 | Herb Jarrell | M | 61 | TX | 01/07/06 | 100 | . | 5 | 1 | . | 6 | 550 |
| 25 | 17:11:04 | Herb Jarrell | M | 60 | TX | 01/08/05 | 100 | . | 5 | 1 | . | 6 | 550 |
| 62 | 15:55:03 | Janis Jenkins | F | 46 | TX | 01/09/10 | 100 | . | 4 | 1 | . | 5 | 450 |
| 59 | 6:49:46 | Janis Jenkins | F | 45 | TX | 01/10/09 | 50 | . | 4 | 1 | . | 5 | 450 |
| 31 | 15:08:04 | Janis Jenkins | F | 44 | TX | 01/05/08 | 100 | . | 4 | 1 | . | 5 | 450 |
| 21 | 15:08:59 | Janis Jenkins | F | 43 | TX | 01/13/07 | 100 | . | 4 | 1 | . | 5 | 450 |
| 22 | 14:41:17 | Janis Jenkins | F | 42 | TX | 01/07/06 | 100 | . | 4 | 1 | . | 5 | 450 |
| 80 | 17:11:41 | Paul Jensen | M | 66 | TX | 01/09/10 | 100 | . | 1 | . | 1 | 2 | 125 |
| 12 | 2:26:16 | Paul Jensen | M | 64 | TX | 01/05/08 | 25 | . | 1 | . | 1 | 2 | 125 |
| 27 | 2:43:35 | Brad Jerome | M | 44 | TX | 01/09/10 | 25 | . | . | . | 2 | 2 | 50 |
| 65 | 2:49:25 | Brad Jerome | M | 43 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 195 | 4:22:14 | Aron Johnson | F | 28 | MN | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 42 | 2:45:55 | Chatt Johnson | M | 39 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 137 | 8:11:55 | David Johnson | M | 56 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 118 | 7:31:11 | Jason Johnson | M | 31 | VA | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 53 | 2:45:13 | Jonathan Johnson | M | 29 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 68 | 3:04:15 | Jonathan Johnson | M | 28 | TX | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 69 | 8:41:30 | Mark Johnson | M | 55 | TX | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 77 | 3:38:19 | Mike Johnson | M | 36 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 152 | 8:55:00 | Pat Johnson | F | 51 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 79 | 9:27:55 | Steve Johnson | M | 60 | TX | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 25 | 2:44:51 | William Johnson | M | 42 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 88 | 3:10:05 | Brian Jones | M | 34 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 71 | 9:19:29 | Buddy Jones | M | 64 | OK | 01/11/03 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| . | 9:05:07 | Derek Jones | M | 24 | TX | 01/13/07 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 117 | 6:22:41 | Hamlin Jones | M | 38 | TX | 01/09/10 | 50 | dnf100km | 1 | 2 | . | 3 | 200 |
| 29 | 15:02:45 | Hamlin Jones | M | 36 | TX | 01/05/08 | 100 | . | 1 | 2 | . | 3 | 200 |
| 5 | 5:12:35 | Hamlin Jones | M | 35 | TX | 01/13/07 | 50 | . | 1 | 2 | . | 3 | 200 |
| 85 | 3:20:34 | Judy Jones | F | 29 | TX | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 53 | 3:14:24 | Judy Jones | F | 28 | TX | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 54 | 3:14:27 | Lee Jones | F | 32 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 40 | 2:48:20 | Tracy Jones | F | 34 | TX | 01/09/10 | 25 | . | . | . | 2 | 2 | 50 |
| 38 | 3:08:14 | Tracy Jones | F | 31 | TX | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 26 | 2:26:08 | Chris Joran | M | 38 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 51 | 2:54:46 | Eric Jordan | M | 38 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 45 | 7:34:00 | Jana Jordan | F | 44 | TX | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 9 | 13:59:34 | Carey Jung | M | 47 | TX | 01/08/05 | 100 | . | 1 | . | . | 1 | 100 |
| . | 5:07:28 | Michael Kanning | M | 16 | TX | 01/05/08 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 66 | 7:45:59 | Betsy Kapiloff | F | 43 | NV | 01/10/04 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 65 | 8:45:36 | Christopher Kapraun | M | 31 | TX | 01/08/05 | 50 | . | . | 1 | . | 1 | 50 |
| 40 | 7:34:11 | Warren Kastner | M | 43 | TX | 01/08/05 | 50 | . | . | 1 | . | 1 | 50 |
| 32 | 2:58:53 | Julie Katzberg | F | 31 | TX | 01/10/04 | 25 | . | . | . | 2 | 2 | 50 |
| 31 | 3:05:16 | Julie Katzberg | F | 30 | TX | 01/11/03 | 25 | . | . | . | 2 | 2 | 50 |
| 121 | 3:27:51 | Joel Kay Jr | M | 41 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 23 | 2:49:08 | Monty Kayser | M | 27 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 19 | 6:44:08 | Mike Keefe | M | 45 | TX | 01/10/04 | 50 | . | . | 1 | . | 1 | 50 |
| 67 | 8:08:33 | Dan Keitz | M | 45 | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 11 | 5:18:31 | Kent Keller | M | 31 | TX | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 37 | 7:41:39 | Wade Keller | M | 35 | TX | 01/10/04 | 50 | . | . | 2 | . | 2 | 100 |
| 36 | 7:02:21 | Wade Keller | M | 35 | TX | 01/11/03 | 50 | . | . | 2 | . | 2 | 100 |
| 125 | 5:08:52 | Lindsey Kempel | F | 26 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 126 | 5:08:55 | Mike Kempel | M | 40 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 114 | 3:57:08 | Kari Kennedy | F | 38 | TX | 01/13/07 | 25 | . | . | . | 3 | 3 | 75 |
| 97 | 3:50:42 | Kari Kennedy | F | 37 | TX | 01/07/06 | 25 | . | . | . | 3 | 3 | 75 |
| 101 | 3:54:52 | Kari Kennedy | F | 36 | TX | 01/08/05 | 25 | . | . | . | 3 | 3 | 75 |
| 101 | 8:19:55 | Lauren Kennedy | F | 47 | TX | 01/10/09 | 50 | . | . | 1 | 3 | 4 | 125 |
| 110 | 3:50:47 | Lauren Kennedy | F | 45 | TX | 01/13/07 | 25 | . | . | 1 | 3 | 4 | 125 |
| 101 | 3:53:06 | Lauren Kennedy | F | 44 | TX | 01/07/06 | 25 | . | . | 1 | 3 | 4 | 125 |
| 111 | 4:23:37 | Lauren Kennedy | F | 43 | TX | 01/08/05 | 25 | . | . | 1 | 3 | 4 | 125 |
| 78 | 3:26:42 | Lonnie Kennedy | M | 50 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 17 | 12:23:12 | Brian Kent | M | 52 | CO | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 57 | 2:54:59 | Rick Kessel | M | 48 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 102 | 3:15:16 | Jeff Key | M | 46 | TX | 01/09/10 | 25 | . | . | . | 2 | 2 | 50 |
| 129 | 3:17:58 | Jeff Key | M | 45 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 61 | 7:44:06 | Valerie Khachadourian | M | 41 | CA | 01/11/03 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 52 | 6:37:42 | Joseph Khan | M | 22 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 72 | 18:54:55 | Eunsip Kim | M | 55 | TX | 01/05/08 | 100 | . | 4 | . | . | 4 | 400 |
| 73 | 16:25:30 | Eunsup Kim | M | 57 | TX | 01/09/10 | 100 | . | 4 | . | . | 4 | 400 |
| 96 | 17:47:10 | Eunsup Kim | M | 56 | TX | 01/10/09 | 100 | . | 4 | . | . | 4 | 400 |
| 49 | 18:23:09 | Eunsup Kim | M | 53 | TX | 01/07/06 | 100 | . | 4 | . | . | 4 | 400 |
| 23 | 5:23:20 | Larry King | M | 43 | TX | 01/09/10 | 50 | . | . | 2 | . | 2 | 100 |
| 14 | 6:00:38 | Larry King | M | 41 | TX | 01/05/08 | 50 | . | . | 2 | . | 2 | 100 |
| 87 | 16:42:37 | Marshall King | M | 39 | TX | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 34 | 5:49:23 | Robert King | M | 48 | TX | 01/09/10 | 50 | . | 4 | 3 | . | 7 | 550 |
| 49 | 14:38:10 | Robert King | M | 47 | TX | 01/10/09 | 100 | . | 4 | 3 | . | 7 | 550 |
| 27 | 14:58:47 | Robert King | M | 46 | TX | 01/05/08 | 100 | . | 4 | 3 | . | 7 | 550 |
| 4 | 4:59:58 | Robert King | M | 45 | TX | 01/13/07 | 50 | . | 4 | 3 | . | 7 | 550 |
| 15 | 13:33:11 | Robert King | M | 44 | TX | 01/07/06 | 100 | . | 4 | 3 | . | 7 | 550 |
| 3 | 12:55:08 | Robert King | M | 43 | TX | 01/08/05 | 100 | . | 4 | 3 | . | 7 | 550 |
| 3 | 4:41:49 | Robert King | M | 41 | TX | 01/11/03 | 50 | . | 4 | 3 | . | 7 | 550 |
| 26 | 2:42:59 | Joleen Kinzer | F | 30 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 42 | 14:36:17 | Jon Kinzer | M | 30 | ID | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 78 | 3:05:29 | Bobby Kitchen | M | 40 | TX | 01/09/10 | 25 | . | . | . | 2 | 2 | 50 |
| 52 | 2:44:31 | Bobby Kitchen | M | 39 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 90 | 16:47:50 | Miles Klaff | M | 44 | TX | 01/10/09 | 100 | . | 1 | 1 | . | 2 | 150 |
| . | 7:57:45 | Miles Klaff | M | 42 | TX | 01/13/07 | 50 | dnf100km | 1 | 1 | . | 2 | 150 |
| 52 | 18:48:25 | Bob Klapthor | M | 54 | TX | 01/07/06 | 100 | . | 2 | . | . | 2 | 200 |
| 38 | 17:24:58 | Bob Klapthor | M | 52 | NM | 01/10/04 | 100 | . | 2 | . | . | 2 | 200 |
| 86 | 18:14:14 | Carrie Knapp | F | 30 | TX | 01/09/10 | 100 | . | 3 | 2 | . | 5 | 400 |
| 71 | 7:02:59 | Carrie Knapp | F | 29 | TX | 01/10/09 | 50 | . | 3 | 2 | . | 5 | 400 |
| 68 | 18:18:04 | Carrie Knapp | F | 28 | TX | 01/05/08 | 100 | . | 3 | 2 | . | 5 | 400 |
| 35 | 16:38:15 | Carrie Knapp | F | 27 | TX | 01/13/07 | 100 | . | 3 | 2 | . | 5 | 400 |
| 59 | 7:48:16 | Carrie Knapp | F | 26 | TX | 01/07/06 | 50 | . | 3 | 2 | . | 5 | 400 |
| 23 | 14:26:36 | Richard Knapp | M | 55 | NM | 01/05/08 | 100 | . | 1 | . | . | 1 | 100 |
| 108 | 3:16:43 | Kelly Knapper | M | 38 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 43 | 15:42:25 | David Knoll | M | 37 | TX | 01/05/08 | 100 | . | 1 | 1 | . | 2 | 150 |
| 11 | 5:40:12 | David Knoll | M | 35 | TX | 01/07/06 | 50 | . | 1 | 1 | . | 2 | 150 |
| 43 | 2:53:52 | Greta Knoll | F | 40 | TX | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 50 | 3:43:49 | Greta Knoll | F | 36 | TX | 01/10/04 | 25 | . | . | . | 2 | 2 | 50 |
| 95 | 3:02:48 | Stephanie Knowlton | F | 26 | AK | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| . | 6:53:18 | Jungwon Ko | F | 41 | TX | 01/13/07 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 68 | 6:28:12 | Kent Kohler | M | 49 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 31 | 2:58:45 | Karen Kolivosky | F | 34 | TX | 01/10/04 | 25 | . | . | . | 2 | 2 | 50 |
| 59 | 4:04:06 | Karen Kolivosky | F | 33 | TX | 01/11/03 | 25 | . | . | . | 2 | 2 | 50 |
| 119 | 7:31:27 | John Koonz | M | 47 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 100 | 20:08:03 | Ed Kopiak | M | 67 | TX | 01/09/10 | 100 | . | 1 | 2 | . | 3 | 200 |
| 41 | 7:29:43 | Ed Kopiak | M | 64 | TX | 01/13/07 | 50 | . | 1 | 2 | . | 3 | 200 |
| 49 | 7:14:35 | Ed Kopiak | M | 63 | TX | 01/07/06 | 50 | . | 1 | 2 | . | 3 | 200 |
| 40 | 14:15:53 | Adam Korona | M | 35 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 97 | 7:01:56 | Sarah Korona | F | 30 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 7 | 4:51:24 | Pierre Koutani | M | 37 | TX | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 89 | 9:44:30 | Jerri Kozikowski | F | 49 | TX | 01/07/06 | 50 | . | . | 2 | 1 | 3 | 125 |
| 74 | 9:41:11 | Jerri Kozikowski | F | 48 | TX | 01/08/05 | 50 | . | . | 2 | 1 | 3 | 125 |
| 148 | 5:23:28 | Jerri Kozikowski Hyland | F | 50 | TX | 01/13/07 | 25 | . | . | 2 | 1 | 3 | 125 |
| 130 | 7:36:55 | Mike Krejci | M | 38 | TX | 01/09/10 | 50 | dnf100km | 1 | 1 | . | 2 | 150 |
| 37 | 13:59:37 | Mike Krejci | M | 37 | TX | 01/10/09 | 100 | . | 1 | 1 | . | 2 | 150 |
| 131 | 3:34:12 | Frank Krekeler | M | 42 | TX | 01/09/10 | 25 | . | . | . | 3 | 3 | 75 |
| 131 | 3:18:15 | Frank Krekeler | M | 41 | TX | 01/10/09 | 25 | . | . | . | 3 | 3 | 75 |
| 103 | 3:33:37 | Frank Krekeler | M | 40 | TX | 01/05/08 | 25 | . | . | . | 3 | 3 | 75 |
| 132 | 3:34:12 | Paige Krekeler | F | 39 | TX | 01/09/10 | 25 | . | . | . | 3 | 3 | 75 |
| 71 | 2:51:53 | Paige Krekeler | F | 38 | TX | 01/10/09 | 25 | . | . | . | 3 | 3 | 75 |
| 104 | 3:33:38 | Paige Krekeler | F | 37 | TX | 01/05/08 | 25 | . | . | . | 3 | 3 | 75 |
| 82 | 9:48:51 | Ganesh Krishnamoorthy | M | 27 | TX | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 19 | 6:07:16 | Joseph Kroesche | M | 40 | TX | 01/07/06 | 50 | . | . | 1 | 1 | 2 | 75 |
| 118 | 4:33:06 | Joseph Kroesche | M | 39 | TX | 01/08/05 | 25 | . | . | 1 | 1 | 2 | 75 |
| 126 | 4:08:19 | Dale E Kroll | M | 46 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| . | 10:26:04 | Varsha Kulkarni | F | 43 | IL | 01/13/07 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 184 | 4:08:59 | Helen Kurpiewski | F | 45 | CA | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 141 | 8:22:16 | Stephanie Kurpiewski | F | 44 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 119 | 3:23:59 | Brian Kurtic | M | 39 | CO | 01/09/10 | 25 | . | . | 1 | 1 | 2 | 75 |
| 73 | 9:29:54 | Brian Kurtic | M | 34 | CO | 01/08/05 | 50 | . | . | 1 | 1 | 2 | 75 |
| 142 | 3:23:47 | Beth Kush | F | 27 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 81 | 3:15:44 | Beth Kush | F | 26 | TX | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 127 | 7:49:32 | John Kuss | M | 53 | TX | 01/09/10 | 50 | . | . | 2 | . | 2 | 100 |
| 49 | 6:33:44 | John Kuss | M | 52 | TX | 01/10/09 | 50 | . | . | 2 | . | 2 | 100 |
| 12 | 6:23:29 | Adam LaBore | M | 32 | TX | 01/10/04 | 50 | . | . | 1 | . | 1 | 50 |
| 103 | 9:02:55 | Tyler Lacy | M | 20 | TX | 01/08/05 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 16 | 5:10:25 | Maria Ladd | F | 47 | NM | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 131 | 7:55:23 | Pamela Laguna | F | 23 | United Kingdom | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 101 | 3:15:15 | Erika Laiche | F | 25 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 205 | 4:32:31 | Chase Lamb | M | 12 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 2 | 0:08:12 | Chase Lamb | M | 9 | TX | 01/09/10 | 1 | . | . | . | . | 0 | 0 |
| 6 | 0:12:27 | Cole Lamb | M | 6 | TX | 01/09/10 | 1 | . | . | . | . | 0 | 0 |
| 207 | 4:32:46 | Gabe Lamb | M | 12 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 3 | 0:08:23 | Gabe Lamb | M | 11 | TX | 01/09/10 | 1 | . | . | . | . | 0 | 0 |
| 206 | 4:32:37 | LeAnn Lamb | F | 41 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 5 | 0:12:19 | Luke Lamb | M | 8 | TX | 01/09/10 | 1 | . | . | . | . | 0 | 0 |
| 27 | 6:42:54 | Willie Lambert | M | 44 | KS | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 96 | 3:29:13 | Robert Lancaster | M | 43 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 28 | 12:56:49 | Greg Lanctot | M | 41 | CA | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 52 | 15:22:00 | David Land | M | 44 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 46 | 7:54:11 | Scott Landers | M | 38 | TX | 01/08/05 | 50 | . | . | 1 | . | 1 | 50 |
| 132 | 6:23:04 | Tammy Landry | F | 35 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 48 | 3:39:41 | Mark Lannan | M | 35 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 48 | 2:40:39 | Michael Lannan | M | 44 | TX | 01/10/09 | 25 | . | . | . | 4 | 4 | 100 |
| 18 | 2:34:21 | Michael Lannan | M | 43 | TX | 01/05/08 | 25 | . | . | . | 4 | 4 | 100 |
| 42 | 3:03:42 | Michael Lannan | M | 40 | TX | 01/08/05 | 25 | . | . | . | 4 | 4 | 100 |
| 38 | 3:25:05 | Michael Lannan | M | 38 | TX | 01/11/03 | 25 | . | . | . | 4 | 4 | 100 |
| 10 | 10:33:18 | Aliza Lapierre | F | 29 | VT | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 75 | 3:19:27 | Beth Larche | F | 22 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 184 | 3:48:33 | Allen Larson | M | 43 | TX | 01/10/09 | 25 | . | . | . | 3 | 3 | 75 |
| 118 | 3:58:46 | Allen Larson | M | 41 | TX | 01/13/07 | 25 | . | . | . | 3 | 3 | 75 |
| 79 | 3:38:25 | Allen Larson | M | 39 | TX | 01/08/05 | 25 | . | . | . | 3 | 3 | 75 |
| 175 | 3:41:27 | Rebecca Larson | F | 30 | CO | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 95 | 3:12:58 | April Lasater | F | 32 | TX | 01/09/10 | 25 | . | . | . | 2 | 2 | 50 |
| 48 | 3:13:10 | April Lasater | F | 29 | TX | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 84 | 2:55:20 | Daniel Lasater | M | 34 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 87 | 3:21:59 | Daniel Lasater | M | 33 | TX | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 99 | 3:13:19 | Jason LaTurner | M | 45 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 30 | 2:43:38 | Matt Lauderdale | M | 38 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 57 | 6:48:12 | Carlos Laurel | M | 32 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 42 | 7:40:18 | Wayne Lauritzen | M | 55 | TX | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 105 | 20:02:46 | Leo Lavender | M | 69 | TX | 01/10/09 | 100 | . | 2 | 1 | . | 3 | 250 |
| 104 | 9:13:55 | Leo Lavender | M | 65 | TX | 01/08/05 | 50 | dnf100km | 2 | 1 | . | 3 | 250 |
| 23 | 19:31:51 | Leo Lavender | M | 63 | TX | 01/11/03 | 100 | . | 2 | 1 | . | 3 | 250 |
| 149 | 3:27:36 | Donna Lawson | F | 49 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 113 | 3:10:43 | Rick Lawson | M | 56 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 105 | 7:52:58 | Todd Leatherwood | M | 37 | TX | 01/07/06 | 50 | dnf100km | . | 3 | . | 3 | 150 |
| 61 | 6:42:00 | Todd Leatherwood | M | 35 | TX | 01/10/04 | 50 | dnf100km | . | 3 | . | 3 | 150 |
| 16 | 5:36:54 | Todd Leatherwood | M | 34 | TX | 01/11/03 | 50 | . | . | 3 | . | 3 | 150 |
| 115 | 4:36:30 | Teri Lee | F | 31 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 20 | 5:42:51 | Steve Leishman | M | 38 | NM | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 241 | No Read | Evan Lemke | M | 23 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 221 | 4:59:49 | Alisa Leon | F | 38 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 87 | 13:33:15 | Cynthia Leon | F | 60 | TX | 01/05/08 | 50 | . | . | 2 | . | 2 | 100 |
| 52 | 13:06:12 | Cynthia Leon | F | 56 | TX | 01/10/04 | 50 | . | . | 2 | . | 2 | 100 |
| 101 | 20:19:25 | Ladislav Lettovsky | M | 48 | CO | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 118 | 3:12:15 | Moishe Lettvin | M | 37 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 62 | 8:17:23 | Duane Lewis | M | 51 | LA | 01/13/07 | 50 | . | 2 | 2 | . | 4 | 300 |
| 54 | 20:13:27 | Duane Lewis | M | 50 | TX | 01/07/06 | 100 | . | 2 | 2 | . | 4 | 300 |
| 48 | 20:37:13 | Duane Lewis | M | 48 | TX | 01/10/04 | 100 | . | 2 | 2 | . | 4 | 300 |
| 30 | 6:44:54 | Duane Lewis | M | 47 | TX | 01/11/03 | 50 | . | 2 | 2 | . | 4 | 300 |
| 3 | 4:19:31 | Sean Lewis | M | 42 | TX | 01/09/10 | 50 | . | . | 1 | 1 | 2 | 75 |
| 5 | 1:57:11 | Sean Lewis | M | 41 | TX | 01/10/09 | 25 | . | . | 1 | 1 | 2 | 75 |
| 92 | 7:35:35 | Lauren Licatino | F | 23 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 81 | 10:26:18 | Mark Licatino | M | 54 | TX | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 77 | 9:11:58 | Kelley Lightfoot | F | 48 | TX | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 77 | 6:33:02 | Justin Lincoln | M | 34 | TX | 01/09/10 | 50 | . | . | 2 | . | 2 | 100 |
| 89 | 7:32:11 | Justin Lincoln | M | 33 | TX | 01/10/09 | 50 | . | . | 2 | . | 2 | 100 |
| 100 | 7:04:42 | Tania Lincoln | F | 33 | TX | 01/09/10 | 50 | . | . | 2 | . | 2 | 100 |
| 94 | 7:37:11 | Tania Lincoln | F | 32 | TX | 01/10/09 | 50 | . | . | 2 | . | 2 | 100 |
| 46 | 18:24:10 | Joseph Rex Lindberg | M | 42 | TX | 01/10/04 | 100 | . | 1 | . | . | 1 | 100 |
| 49 | 3:34:29 | Kay Lindquist | F | 33 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 123 | 5:12:29 | Dawn Lindsey | F | 41 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 54 | 2:46:02 | Mark Lindsey | M | 52 | TX | 01/10/09 | 25 | . | 2 | 2 | 2 | 6 | 350 |
| 23 | 6:31:34 | Mark Lindsey | M | 51 | TX | 01/05/08 | 50 | . | 2 | 2 | 2 | 6 | 350 |
| 38 | 16:42:38 | Mark Lindsey | M | 50 | TX | 01/13/07 | 100 | . | 2 | 2 | 2 | 6 | 350 |
| 29 | 2:34:25 | Mark Lindsey | M | 49 | TX | 01/07/06 | 25 | . | 2 | 2 | 2 | 6 | 350 |
| 62 | 6:56:48 | Mark Lindsey | M | 47 | TX | 01/10/04 | 50 | dnf100km | 2 | 2 | 2 | 6 | 350 |
| 12 | 15:12:45 | Mark Lindsey | M | 46 | TX | 01/11/03 | 100 | . | 2 | 2 | 2 | 6 | 350 |
| 14 | 15:36:37 | David Linn | M | 38 | TX | 01/08/05 | 100 | . | 1 | . | . | 1 | 100 |
| 20 | 5:15:50 | Geoff Linton | M | 47 | Canada | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 64 | 21:13:13 | Geoff Linton | M | 46 | Ontario | 01/13/07 | 100 | . | 1 | . | . | 1 | 100 |
| 142 | 9:43:52 | Jeffrey Linwood | M | 31 | TX | 01/09/10 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 130 | 5:34:14 | Jason Lippman | M | 37 | TX | 01/10/09 | 50 | dnf100km | 4 | 1 | . | 5 | 450 |
| 21 | 13:54:52 | Jason Lippman | M | 36 | TX | 01/05/08 | 100 | . | 4 | 1 | . | 5 | 450 |
| 9 | 13:56:13 | Jason Lippman | M | 35 | TX | 01/13/07 | 100 | . | 4 | 1 | . | 5 | 450 |
| 12 | 13:17:34 | Jason Lippman | M | 34 | TX | 01/07/06 | 100 | . | 4 | 1 | . | 5 | 450 |
| 19 | 11:45:01 | Jason Lippman | M | 38 | TX | 01/09/10 | 100 | . | 4 | 1 | . | 5 | 450 |
| 125 | 3:30:18 | Grant Lischka | M | 29 | TX | 01/09/10 | 25 | . | . | . | 2 | 2 | 50 |
| 183 | 3:48:23 | Grant Lischka | M | 28 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 208 | 4:15:30 | Kerry Lischka | F | 39 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 29 | 5:43:57 | Troy Lischka | M | 39 | TX | 01/09/10 | 50 | . | . | 1 | 1 | 2 | 75 |
| 75 | 2:52:35 | Troy Lischka | M | 38 | TX | 01/10/09 | 25 | . | . | 1 | 1 | 2 | 75 |
| 63 | 3:23:51 | Lyn Litchke | F | 44 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 16 | 12:21:00 | Lora Liu | F | 26 | CA | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 40 | 2:51:40 | Chris Lobb | M | 37 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 6 | 11:53:38 | Ryan Loehding | M | 35 | TX | 01/05/08 | 100 | . | 1 | . | . | 1 | 100 |
| 43 | 3:25:19 | Anne Loomis | F | 24 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 2 | 5:40:44 | Greg Loomis | M | 29 | TX | 01/10/04 | 50 | . | . | 2 | . | 2 | 100 |
| 10 | 5:15:12 | Greg Loomis | M | 28 | TX | 01/11/03 | 50 | . | . | 2 | . | 2 | 100 |
| 87 | 3:09:58 | Christopher Lopez | M | 18 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 123 | 7:11:37 | Richelle Lopez | F | 31 | TX | 01/09/10 | 50 | dnf100km | . | 1 | 2 | 3 | 100 |
| 57 | 3:01:46 | Richelle Lopez | F | 29 | TX | 01/05/08 | 25 | . | . | 1 | 2 | 3 | 100 |
| 40 | 3:08:39 | Richelle Lopez | F | 28 | TX | 01/13/07 | 25 | . | . | 1 | 2 | 3 | 100 |
| 74 | 3:19:24 | Timothy Lord | M | 31 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 158 | 9:08:47 | Robert Lott | M | 48 | TX | 01/09/10 | 50 | . | 1 | 1 | . | 2 | 150 |
| 110 | 20:34:30 | Robert Lott | M | 47 | TX | 01/10/09 | 100 | . | 1 | 1 | . | 2 | 150 |
| 105 | 3:35:52 | Joshua Loucks | M | 17 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 108 | 3:09:13 | John Loudamy | M | 36 | TX | 01/10/09 | 25 | . | . | . | 3 | 3 | 75 |
| 61 | 3:02:52 | John Loudamy | M | 35 | TX | 01/05/08 | 25 | . | . | . | 3 | 3 | 75 |
| 59 | 3:16:45 | John Loudamy | M | 34 | TX | 01/13/07 | 25 | . | . | . | 3 | 3 | 75 |
| 107 | 3:09:12 | Laura Loudamy | F | 36 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 114 | 22:06:59 | Rosario Lovelace | F | 43 | TX | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 13 | 2:26:50 | Matt Lovett | M | 35 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 16 | 2:38:33 | George Lowery | M | 33 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 134 | 7:27:54 | Fred Lowstetter | M | 42 | TX | 01/10/09 | 50 | dnf100km | 1 | 1 | . | 2 | 150 |
| 80 | 20:30:16 | Fred Lowstetter | M | 41 | TX | 01/05/08 | 100 | . | 1 | 1 | . | 2 | 150 |
| 85 | 2:55:28 | Clarence Lucas | M | 41 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 16 | 13:22:23 | Chris Luebbert | M | 24 | TX | 01/05/08 | 100 | . | 1 | . | . | 1 | 100 |
| 83 | 16:30:12 | Gregory Luffey | M | 45 | TX | 01/10/09 | 100 | . | 1 | 1 | . | 2 | 150 |
| 31 | 6:52:22 | Gregory Luffey | M | 44 | TX | 01/05/08 | 50 | . | 1 | 1 | . | 2 | 150 |
| 66 | 4:44:57 | Ken Luikart | M | 53 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 96 | 7:50:53 | John Luna | M | 36 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 48 | 3:33:48 | Jared Lundell | M | 18 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 90 | 9:48:36 | Lorilie Lundell | F | 48 | TX | 01/07/06 | 50 | . | . | 2 | 1 | 3 | 125 |
| 84 | 12:24:05 | Lorilie Lundell | F | 47 | TX | 01/08/05 | 50 | . | . | 2 | 1 | 3 | 125 |
| 67 | 5:09:07 | Lorilie Lundell | F | 46 | TX | 01/10/04 | 25 | . | . | 2 | 1 | 3 | 125 |
| 19 | 2:42:02 | Mike Lutz | M | 44 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 227 | 5:13:08 | Jeff Lynn | M | 60 | NY | 01/09/10 | 25 | . | 1 | 1 | 2 | 4 | 200 |
| 88 | 9:42:55 | Jeff Lynn | M | 56 | NY | 01/07/06 | 50 | . | 1 | 1 | 2 | 4 | 200 |
| 37 | 24:55:51 | Jeff Lynn | M | 55 | TX | 01/08/05 | 100 | . | 1 | 1 | 2 | 4 | 200 |
| 57 | 4:10:57 | Jeff Lynn | M | 54 | TX | 01/10/04 | 25 | . | 1 | 1 | 2 | 4 | 200 |
| 55 | 8:04:22 | Richard Lynn | M | 56 | TX | 01/05/08 | 50 | . | 1 | 2 | . | 3 | 200 |
| 60 | 21:42:34 | Richard Lynn | M | 54 | TX | 01/07/06 | 100 | . | 1 | 2 | . | 3 | 200 |
| 60 | 8:26:56 | Richard Lynn | M | 53 | TX | 01/08/05 | 50 | . | 1 | 2 | . | 3 | 200 |
| 34 | 7:03:50 | Stephen Lyssy | M | 39 | TX | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 40 | 7:28:14 | Steven Maas | M | 48 | MI | 01/13/07 | 50 | . | . | 2 | . | 2 | 100 |
| 108 | 9:25:30 | Steven Maas | M | 46 | MI | 01/08/05 | 50 | dnf100km | . | 2 | . | 2 | 100 |
| 85 | 3:09:40 | David Macaulay | M | 48 | TX | 01/09/10 | 25 | . | . | 1 | 1 | 2 | 75 |
| 101 | 8:49:09 | David Macaulay | M | 43 | TX | 01/08/05 | 50 | dnf100km | . | 1 | 1 | 2 | 75 |
| 28 | 5:42:01 | Steve MacDonald | M | 42 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 8 | 2:29:55 | Tereza Macel | F | 32 | Ontario | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 44 | 2:54:02 | Claudette Macias | F | 24 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 102 | 3:06:05 | Elizabeth Mack | F | 42 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 7 | 10:08:20 | Glenn Mackie | M | 47 | CO | 01/09/10 | 100 | . | 2 | . | . | 2 | 200 |
| 1 | 9:53:07 | Glenn Mackie | M | 46 | TX | 01/10/09 | 100 | . | 2 | . | . | 2 | 200 |
| 108 | 9:29:29 | Jason Macmurphy | M | 28 | TX | 01/07/06 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 132 | 7:42:49 | Sergio Madrigal | M | 59 | TX | 01/09/10 | 50 | dnf100km | . | 2 | . | 2 | 100 |
| . | 7:24:39 | Sergio Madrigal | M | 57 | TX | 01/05/08 | 50 | dnf100km | . | 2 | . | 2 | 100 |
| 47 | 3:09:20 | Shannon Maenius | F | 31 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 24 | 2:42:28 | Lawrence Maher | M | 44 | TX | 01/09/10 | 25 | . | . | 1 | 1 | 2 | 75 |
| 30 | 6:59:02 | Lawrence Maher | M | 41 | TX | 01/13/07 | 50 | . | . | 1 | 1 | 2 | 75 |
| 5 | 5:11:53 | Steve Mahieu | M | 58 | NM | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 120 | 3:13:34 | Stephen Maier | M | 35 | TX | 01/10/09 | 25 | . | . | . | 4 | 4 | 100 |
| 42 | 2:53:45 | Stephen Maier | M | 34 | TX | 01/05/08 | 25 | . | . | . | 4 | 4 | 100 |
| 68 | 3:20:43 | Stephen Maier | M | 33 | TX | 01/13/07 | 25 | . | . | . | 4 | 4 | 100 |
| 110 | 3:16:51 | Stephen Maier | M | 36 | TX | 01/09/10 | 25 | . | . | . | 4 | 4 | 100 |
| 108 | 22:13:41 | John Majalca | M | 31 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 121 | 6:53:40 | Tony Maldonado | M | 51 | TX | 01/09/10 | 50 | dnf100km | 1 | 1 | 1 | 3 | 175 |
| 53 | 16:37:36 | Tony Maldonado | M | 49 | TX | 01/05/08 | 100 | . | 1 | 1 | 1 | 3 | 175 |
| 38 | 2:40:23 | Tony Maldonado | M | 47 | TX | 01/07/06 | 25 | . | 1 | 1 | 1 | 3 | 175 |
| 224 | 4:59:53 | Terri Malek | F | 40 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 22 | 6:32:32 | Jason Maloney | M | 31 | TX | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 150 | 3:43:04 | Kelly Mansfield | F | 29 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 48 | 6:03:57 | Keith Manuel | M | 52 | LA | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 187 | 4:12:20 | Amber March | F | 33 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 75 | 16:08:13 | Caleb Marcinkovich | M | 34 | TX | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 67 | 2:50:03 | Beth Marek | F | 31 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 48 | 7:38:39 | Sarah Markoe | F | 42 | CA | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 54 | 3:55:53 | Cyndi Marks | F | 42 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 77 | 3:05:13 | Nancy Marks | F | 49 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 64 | 3:04:00 | Jessie Maroney | F | 22 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 135 | 3:20:02 | Kevin Marriot | M | 32 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 40 | 5:55:00 | Joseph Marro | M | 46 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 41 | 3:01:29 | Jesse Marroquin | M | 37 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 187 | 3:51:40 | John Marrujo | M | 51 | OK | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 102 | 3:56:02 | Jill Marshall | F | 47 | TX | 01/07/06 | 25 | . | . | . | 2 | 2 | 50 |
| 117 | 4:33:06 | Jill Marshall | F | 46 | TX | 01/08/05 | 25 | . | . | . | 2 | 2 | 50 |
| 38 | 5:53:05 | Jason Martin | M | 29 | LA | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 26 | 12:49:36 | Ryan Martin | M | 40 | CO | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 61 | 15:48:53 | Scott Martin | M | 48 | NY | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 31 | 2:44:51 | David Martinez | M | 31 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 142 | 4:54:58 | Gabe Martinez | M | 43 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 141 | 4:54:58 | Margo Martinez | F | 43 | TX | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 56 | 3:15:56 | Margo Martinez | F | 41 | TX | 01/08/05 | 25 | . | . | . | 2 | 2 | 50 |
| 19 | 5:51:07 | Mario Felix Martinez | M | 49 | AR | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 106 | 8:59:10 | Michael Martinez | M | 36 | TX | 01/07/06 | 50 | dnf100km | . | 2 | . | 2 | 100 |
| 56 | 6:42:31 | Michael Martinez | M | 33 | TX | 01/11/03 | 50 | dnf100km | . | 2 | . | 2 | 100 |
| 2 | 4:37:32 | Sergio Martinez | M | 33 | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 12 | 2:23:02 | Stephen Marty | M | 31 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 3 | 1:55:10 | Greg Maschal | M | 28 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 117 | 7:31:05 | Stacey Mason | F | 37 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 20 | 2:37:13 | Sean Massay | M | 34 | TX | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 20 | 2:31:04 | Sean Massay | M | 31 | TX | 01/08/05 | 25 | . | . | . | 2 | 2 | 50 |
| 15 | 0:22:45 | Eddie Massey | M | 6 | TX | 01/10/09 | 1 | . | . | . | . | 0 | 0 |
| 60 | 17:42:02 | Jeff Massey | M | 31 | TX | 01/05/08 | 100 | . | 1 | . | . | 1 | 100 |
| 16 | 0:22:45 | Misty Massey | F | 33 | TX | 01/10/09 | 1 | . | . | . | . | 0 | 0 |
| 109 | 7:19:24 | Louis Mast | M | 61 | TX | 01/09/10 | 50 | . | . | 4 | 1 | 5 | 225 |
| 70 | 7:02:58 | Louis Mast | M | 60 | TX | 01/10/09 | 50 | . | . | 4 | 1 | 5 | 225 |
| . | 8:11:38 | Louis Mast | M | 59 | TX | 01/05/08 | 50 | dnf100km | . | 4 | 1 | 5 | 225 |
| 66 | 8:04:40 | Louis Mast | M | 57 | TX | 01/07/06 | 50 | . | . | 4 | 1 | 5 | 225 |
| 36 | 2:53:31 | Louis Mast | M | 56 | TX | 01/08/05 | 25 | . | . | 4 | 1 | 5 | 225 |
| 98 | 18:13:49 | Lynnor Matheney | F | 49 | TX | 01/10/09 | 100 | . | 1 | 1 | . | 2 | 150 |
| 144 | 10:13:31 | Lynnor Matheney | F | 50 | TX | 01/09/10 | 50 | dnf100km | 1 | 1 | . | 2 | 150 |
| 48 | 2:52:35 | Nick Mathers | M | 30 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 6 | 12:24:59 | Stephane Mathieu | M | 33 | TX | 01/07/06 | 100 | . | 1 | . | . | 1 | 100 |
| 2 | 1:59:59 | Arthur Mathisen | M | 33 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 95 | 7:00:54 | Gregory Mattacola | M | 38 | NY | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 74 | 3:07:16 | Keller Matthews | M | 50 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 132 | 6:20:54 | Chris Matuszak | M | 24 | TX | 01/10/09 | 50 | dnf100km | . | 1 | 1 | 2 | 75 |
| 60 | 3:02:33 | Chris Matuszak | M | 23 | TX | 01/05/08 | 25 | . | . | 1 | 1 | 2 | 75 |
| 65 | 6:22:46 | Philip May | M | 52 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 124 | 7:14:47 | Miranda Mayhall | F | 25 | NC | 01/09/10 | 50 | dnf100km | . | 2 | 1 | 3 | 125 |
| 99 | 8:00:00 | Miranda Mayhall | F | 24 | PA | 01/10/09 | 50 | . | . | 2 | 1 | 3 | 125 |
| 98 | 3:30:35 | Miranda Mayhall | F | 23 | TX | 01/05/08 | 25 | . | . | 2 | 1 | 3 | 125 |
| 22 | 6:14:10 | Jim Mayo | M | 56 | TX | 01/07/06 | 50 | . | 1 | 1 | . | 2 | 150 |
| 10 | 14:00:20 | Jim Mayo | M | 55 | TX | 01/08/05 | 100 | . | 1 | 1 | . | 2 | 150 |
| 11 | 5:56:54 | Patricia McAndrew | F | 26 | TX | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 9 | 0:28:50 | Amelia McBride | F | 2 | TX | 01/09/10 | 1 | . | . | . | . | 0 | 0 |
| 159 | 9:13:17 | Christina McBride | F | 39 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 160 | 9:13:17 | Jeff McBride | M | 38 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 8 | 0:25:09 | Lindsey McBride | F | 4 | TX | 01/09/10 | 1 | . | . | . | . | 0 | 0 |
| 146 | 3:25:40 | Daniel McCabe | M | 29 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 72 | 3:30:32 | Allyson McCale | F | 36 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 42 | 3:22:45 | John McCarey | M | 37 | TX | 01/10/04 | 25 | . | . | . | 2 | 2 | 50 |
| 49 | 3:47:45 | John McCarey | M | 36 | TX | 01/11/03 | 25 | . | . | . | 2 | 2 | 50 |
| 64 | 4:28:33 | Andrew McCarroll | M | 36 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 10 | 2:20:56 | Joseph McClung | M | 33 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 28 | 6:42:50 | Richard McCormick | M | 48 | TX | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 42 | 3:34:45 | James McCoul | M | 49 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 62 | 4:06:43 | Jessica McCoul | F | 19 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 75 | 3:04:32 | John McCoul | M | 50 | TX | 01/09/10 | 25 | . | . | . | 2 | 2 | 50 |
| 42 | 3:34:45 | John McCoul | M | 43 | TX | 01/11/03 | 25 | . | . | . | 2 | 2 | 50 |
| 42 | 3:34:45 | Teresa McCoul | F | 45 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 77 | 7:12:29 | Christine McCown | F | 29 | TX | 01/10/09 | 50 | . | . | 3 | . | 3 | 150 |
| 48 | 7:30:33 | Christine McCown | F | 28 | TX | 01/05/08 | 50 | . | . | 3 | . | 3 | 150 |
| 42 | 7:31:22 | Christine McCown | F | 27 | TX | 01/13/07 | 50 | . | . | 3 | . | 3 | 150 |
| 42 | 5:55:08 | Jayne McCoy | F | 32 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 171 | 10:58:44 | Fred McCurnin | M | 65 | IA | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 61 | 6:17:37 | Jeanne McCurnin | F | 54 | IA | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 238 | 6:08:26 | Betty McDaniel | F | 47 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 84 | 3:33:18 | Matt McDaniel | M | 36 | TX | 01/07/06 | 25 | . | . | . | 2 | 2 | 50 |
| 27 | 2:55:21 | Matt McDaniel | M | 34 | TX | 01/10/04 | 25 | . | . | . | 2 | 2 | 50 |
| 123 | 3:28:16 | Melanie McFarland | F | 37 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 215 | 4:49:16 | Sean McFarland | M | 37 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 69 | 3:29:48 | John McGannon | M | 36 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 57 | 7:36:20 | Gary McGowan | M | 50 | IL | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 19 | 2:32:17 | Amanda McIntosh | F | 45 | TX | 01/09/10 | 25 | . | 1 | 3 | 1 | 5 | 275 |
| 8 | 12:04:01 | Amanda McIntosh | F | 43 | TX | 01/05/08 | 100 | . | 1 | 3 | 1 | 5 | 275 |
| 4 | 5:05:08 | Amanda McIntosh | F | 41 | TX | 01/07/06 | 50 | . | 1 | 3 | 1 | 5 | 275 |
| 3 | 5:19:27 | Amanda McIntosh | F | 40 | TX | 01/08/05 | 50 | . | 1 | 3 | 1 | 5 | 275 |
| 4 | 11:18:49 | Amanda McIntosh | F | 39 | TX | 01/10/04 | 100 | . | 1 | 3 | 1 | 5 | 275 |
| 28 | 2:55:40 | Patti McKeever Yeich | F | 38 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 60 | 15:48:09 | Alan Mclain | M | 45 | TX | 01/09/10 | 100 | . | 2 | . | . | 2 | 200 |
| 86 | 16:37:09 | Alan McLain | M | 44 | TX | 01/10/09 | 100 | . | 2 | . | . | 2 | 200 |
| 146 | 8:42:21 | Scott McLeod | M | 35 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 11 | 2:26:21 | Jennifer McRae | F | 42 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 8 | 10:33:12 | Chris McWatters | M | 28 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 138 | 9:04:52 | Sherry Meador | F | 44 | AL | 01/09/10 | 50 | dnf100km | 1 | 1 | . | 2 | 150 |
| 81 | 16:12:00 | Sherry Meador | F | 43 | AL | 01/10/09 | 100 | . | 1 | 1 | . | 2 | 150 |
| 76 | 16:08:56 | Abigail Meadows | F | 37 | TX | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 144 | 3:25:07 | Leland Means | M | 41 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 36 | 6:46:05 | Jason Mehlos | M | 30 | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 3 | 12:08:09 | Pete Mehok | M | 27 | TX | 01/07/06 | 100 | . | 1 | . | . | 1 | 100 |
| 39 | 2:56:27 | Alicia Mein | F | 25 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 105 | 3:08:37 | Charles Meissner | M | 34 | TX | 01/10/09 | 25 | . | . | . | 5 | 5 | 125 |
| 59 | 3:02:13 | Charles Meissner | M | 33 | TX | 01/05/08 | 25 | . | . | . | 5 | 5 | 125 |
| 39 | 2:40:57 | Charles Meissner | M | 31 | TX | 01/07/06 | 25 | . | . | . | 5 | 5 | 125 |
| 24 | 2:36:21 | Charles Meissner | M | 30 | TX | 01/08/05 | 25 | . | . | . | 5 | 5 | 125 |
| 7 | 2:17:15 | Charles Meissner | M | 29 | TX | 01/10/04 | 25 | . | . | . | 5 | 5 | 125 |
| 189 | 4:13:56 | Leslin Meissner | F | 32 | TX | 01/09/10 | 25 | . | . | . | 4 | 4 | 100 |
| 216 | 4:24:56 | Leslin Meissner | F | 31 | TX | 01/10/09 | 25 | . | . | . | 4 | 4 | 100 |
| 127 | 4:08:40 | Leslin Meissner | F | 30 | TX | 01/05/08 | 25 | . | . | . | 4 | 4 | 100 |
| 114 | 4:27:29 | Leslin Meissner | F | 27 | TX | 01/08/05 | 25 | . | . | . | 4 | 4 | 100 |
| 7 | 4:42:03 | Sean Meissner | M | 36 | OR | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 121 | 10:04:35 | Robert Melendez | M | 62 | TX | 01/10/09 | 50 | . | 2 | 2 | . | 4 | 300 |
| 71 | 8:45:39 | Robert Melendez | M | 59 | TX | 01/07/06 | 50 | . | 2 | 2 | . | 4 | 300 |
| 35 | 20:48:09 | Robert Melendez | M | 58 | TX | 01/08/05 | 100 | . | 2 | 2 | . | 4 | 300 |
| 49 | 20:37:13 | Robert Melendez | M | 57 | TX | 01/10/04 | 100 | . | 2 | 2 | . | 4 | 300 |
| 28 | 2:57:31 | Dan Melott | M | 36 | TX | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 77 | 3:21:31 | Dan Melott | M | 35 | TX | 01/07/06 | 25 | . | . | . | 2 | 2 | 50 |
| 127 | 3:31:20 | Shauna Metcalf | F | 39 | TX | 01/09/10 | 25 | . | . | . | 4 | 4 | 100 |
| 153 | 3:31:15 | Shauna Metcalf | F | 38 | TX | 01/10/09 | 25 | . | . | . | 4 | 4 | 100 |
| 110 | 3:39:17 | Shauna Metcalf | F | 37 | TX | 01/05/08 | 25 | . | . | . | 4 | 4 | 100 |
| 101 | 3:45:52 | Shauna Metcalf | F | 36 | TX | 01/13/07 | 25 | . | . | . | 4 | 4 | 100 |
| 58 | 7:39:14 | Marty Metzger | M | 44 | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 137 | 3:21:08 | Sally Meuth | F | 36 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 115 | 3:47:30 | Sally Meuth | F | 35 | TX | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 43 | 8:11:04 | Chris Meyer | M | 41 | TX | 01/10/04 | 50 | . | . | 1 | . | 1 | 50 |
| 32 | 6:39:30 | Drew Meyer | M | 58 | TX | 01/07/06 | 50 | . | 1 | 2 | . | 3 | 200 |
| 6 | 11:58:25 | Drew Meyer | M | 56 | TX | 01/10/04 | 100 | . | 1 | 2 | . | 3 | 200 |
| 8 | 4:59:48 | Drew Meyer | M | 55 | TX | 01/11/03 | 50 | . | 1 | 2 | . | 3 | 200 |
| 55 | 6:24:23 | James Meyers | M | 35 | TX | 01/11/03 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 7 | 11:59:24 | Les Michalak | M | 53 | ONT | 01/10/04 | 100 | . | 2 | . | . | 2 | 200 |
| 4 | 11:41:00 | Les Michalak | M | 52 | ONT | 01/11/03 | 100 | . | 2 | . | . | 2 | 200 |
| 1 | 1:52:31 | Robert Michell | M | 30 | TX | 01/09/10 | 25 | . | . | . | 3 | 3 | 75 |
| 2 | 1:51:46 | Robert Michell | M | 29 | TX | 01/10/09 | 25 | . | . | . | 3 | 3 | 75 |
| 22 | 2:38:37 | Robert Michell | M | 28 | TX | 01/05/08 | 25 | . | . | . | 3 | 3 | 75 |
| 37 | 3:19:45 | Mandy Midgett | F | 29 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 89 | 22:05:10 | Doise Miers | F | 30 | TX | 01/05/08 | 100 | . | 2 | . | 1 | 3 | 225 |
| 71 | 22:02:46 | Doise Miers | F | 29 | TX | 01/13/07 | 100 | . | 2 | . | 1 | 3 | 225 |
| 135 | 7:00:03 | Doise Miers | F | 27 | TX | 01/08/05 | 25 | . | 2 | . | 1 | 3 | 225 |
| 91 | 3:00:17 | Lisa Mihora | F | 35 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 86 | 2:55:47 | Marshall Miles | M | 38 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 178 | 4:04:18 | Alma Millard | F | 37 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 4 | 2:08:09 | Larry Millard | M | 37 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 96 | 3:51:45 | Stacy Miller | F | 33 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 55 | 6:38:44 | James Milne | M | 38 | TX | 01/10/09 | 50 | . | . | . | 1 | 1 | 25 |
| 15 | 2:29:14 | Evan Minard | M | 39 | TX | 01/09/10 | 25 | . | . | . | 3 | 3 | 75 |
| 40 | 2:37:51 | Evan Minard | M | 38 | TX | 01/10/09 | 25 | . | . | . | 3 | 3 | 75 |
| 26 | 2:30:46 | Evan Minard | M | 35 | TX | 01/07/06 | 25 | . | . | . | 3 | 3 | 75 |
| 19 | 2:21:53 | Josie Minks | F | 29 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 59 | 17:39:25 | Charlie Miracle | M | 54 | VA | 01/05/08 | 100 | . | 1 | 1 | . | 2 | 150 |
| 27 | 6:45:17 | Charlie Miracle | M | 51 | VA | 01/08/05 | 50 | . | 1 | 1 | . | 2 | 150 |
| 69 | 4:46:39 | Ryan Miracle | M | . | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 82 | 17:56:38 | David Mis | M | 19 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 43 | 6:22:38 | Brian Mistovich | M | 53 | TX | 01/10/09 | 50 | . | . | 1 | 2 | 3 | 100 |
| 83 | 3:17:07 | Brian Mistovich | M | 52 | TX | 01/05/08 | 25 | . | . | 1 | 2 | 3 | 100 |
| 31 | 3:00:04 | Brian Mistovich | M | 51 | TX | 01/13/07 | 25 | . | . | 1 | 2 | 3 | 100 |
| 148 | 8:43:56 | Shannon Mitchel | F | 47 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 60 | 4:20:24 | Sylvia Mitchell | F | 39 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 3 | 2:14:13 | Jason Mittman | M | 39 | TX | 01/09/10 | 25 | . | . | . | 3 | 3 | 75 |
| 24 | 2:24:19 | Jason Mittman | M | 38 | TX | 01/10/09 | 25 | . | . | . | 3 | 3 | 75 |
| 18 | 2:27:57 | Jason Mittman | M | 34 | TX | 01/08/05 | 25 | . | . | . | 3 | 3 | 75 |
| 73 | 2:52:15 | Kurt Mohlman | M | 29 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 44 | 17:55:05 | James Molaschi | M | 43 | TX | 01/07/06 | 100 | . | 1 | . | . | 1 | 100 |
| 84 | 7:23:18 | Bucky Monreal | M | 29 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 88 | 2:59:13 | Ethan Monsivais | M | 17 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 63 | 16:03:26 | Steven Monte | M | 40 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 37 | 3:08:41 | Wes Monteith | M | 52 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 15 | 2:19:21 | Edward Montgomery | M | 24 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 49 | 2:41:11 | Erich Montgomery | M | 38 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 93 | 17:10:22 | Gordon Montgomery | M | 40 | TX | 01/10/09 | 100 | . | 1 | 1 | . | 2 | 150 |
| 69 | 8:51:38 | Gordon Montgomery | M | 39 | TX | 01/05/08 | 50 | . | 1 | 1 | . | 2 | 150 |
| 51 | 2:58:10 | Kerry Montgomery | F | 32 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 96 | 3:12:59 | Nina Moody | F | 29 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 41 | 6:21:08 | Ross Moody | M | 46 | TX | 01/10/09 | 50 | . | . | 1 | 1 | 2 | 75 |
| 6 | 2:24:14 | Ross Moody | M | 44 | TX | 01/13/07 | 25 | . | . | 1 | 1 | 2 | 75 |
| 64 | 4:36:21 | Rhonda Moon | F | 47 | OK | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 55 | 4:39:51 | Troy Moon | M | 32 | TX | 01/10/04 | 50 | dnf100km | . | 2 | . | 2 | 100 |
| 2 | 4:37:11 | Troy Moon | M | 31 | TX | 01/11/03 | 50 | . | . | 2 | . | 2 | 100 |
| 44 | 7:24:55 | Penny Mooney | F | 43 | TX | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 23 | 12:15:45 | Allison Moore | F | 40 | WA | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 139 | 8:15:48 | Douglas Moore | M | 29 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 81 | 3:30:59 | Jennifer Moore | F | 31 | TX | 01/07/06 | 25 | . | . | 1 | 1 | 2 | 75 |
| 55 | 8:05:59 | Jennifer Moore | F | 30 | TX | 01/08/05 | 50 | . | . | 1 | 1 | 2 | 75 |
| 46 | 2:39:54 | Joni Moore | F | 42 | TX | 01/10/09 | 25 | . | . | . | 4 | 4 | 100 |
| 24 | 2:44:43 | Joni Moore | F | 40 | TX | 01/13/07 | 25 | . | . | . | 4 | 4 | 100 |
| 23 | 2:26:57 | Joni Moore | F | 39 | TX | 01/07/06 | 25 | . | . | . | 4 | 4 | 100 |
| 12 | 2:26:15 | Joni Moore | F | 37 | TX | 01/10/04 | 25 | . | . | . | 4 | 4 | 100 |
| 140 | 4:54:48 | Lynn Moore | M | 55 | KS | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 4 | 9:58:49 | Steven Moore | M | 42 | TX | 01/09/10 | 100 | . | 2 | . | . | 2 | 200 |
| 2 | 10:34:37 | Steven Moore | M | 41 | TX | 01/10/09 | 100 | . | 2 | . | . | 2 | 200 |
| 13 | 5:29:14 | Erik Moortgat | M | 41 | TX | 01/10/09 | 50 | . | 1 | 3 | . | 4 | 250 |
| 12 | 5:58:15 | Erik Moortgat | M | 40 | TX | 01/05/08 | 50 | . | 1 | 3 | . | 4 | 250 |
| . | 6:33:46 | Erik Moortgat | M | 39 | TX | 01/13/07 | 50 | dnf100km | 1 | 3 | . | 4 | 250 |
| 24 | 14:14:33 | Erik Moortgat | M | 36 | TX | 01/10/04 | 100 | . | 1 | 3 | . | 4 | 250 |
| 131 | 6:12:39 | Charley Morales | M | 30 | TX | 01/10/09 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 51 | 14:40:51 | Eduardo Morales | M | 21 | TX | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 138 | 3:36:24 | Frank Morales | M | 58 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 113 | 3:17:45 | Rob Morales | M | 33 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 131 | 5:54:57 | Caroline Moran | F | 41 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 72 | 15:48:24 | Francisco Moreno | M | 46 | TX | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 131 | 4:25:46 | Jim Moreno | M | 32 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 37 | 6:18:08 | Matthew Moreno | M | 22 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 61 | 2:59:42 | Guy Morin | M | 50 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 150 | 6:28:40 | Beth Moroney | F | 40 | TX | 01/13/07 | 25 | . | . | . | 3 | 3 | 75 |
| 128 | 5:36:44 | Beth Moroney | F | 39 | TX | 01/07/06 | 25 | . | . | . | 3 | 3 | 75 |
| 130 | 6:32:49 | Beth Moroney | F | 38 | TX | 01/08/05 | 25 | . | . | . | 3 | 3 | 75 |
| 138 | 8:01:50 | Gary Moroney | M | 42 | TX | 01/10/09 | 50 | dnf100km | 1 | 5 | . | 6 | 350 |
| 47 | 7:28:27 | Gary Moroney | M | 41 | TX | 01/05/08 | 50 | . | 1 | 5 | . | 6 | 350 |
| . | 6:37:52 | Gary Moroney | M | 40 | TX | 01/13/07 | 50 | dnf100km | 1 | 5 | . | 6 | 350 |
| 102 | 6:51:45 | Gary Moroney | M | 39 | TX | 01/07/06 | 50 | dnf100km | 1 | 5 | . | 6 | 350 |
| 89 | 6:07:23 | Gary Moroney | M | 38 | TX | 01/08/05 | 50 | dnf100km | 1 | 5 | . | 6 | 350 |
| 21 | 14:12:26 | Gary Moroney | M | 37 | TX | 01/10/04 | 100 | . | 1 | 5 | . | 6 | 350 |
| 21 | 6:29:30 | Jessi Moroney | F | 23 | TX | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 116 | 4:36:30 | Sylvia Morris | F | 44 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 46 | 2:49:22 | Stephen Morton | M | 25 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 55 | 3:00:47 | Benjamin Moulton | M | 33 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 90 | 3:24:57 | Steve Moyniham | M | 47 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 152 | 3:30:53 | Steve Moynihan | M | 48 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 73 | 3:23:40 | Steve Moynihan | M | 46 | TX | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 129 | 5:41:15 | Mandi Muckleroy | F | 29 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 142 | 3:38:37 | Elizabeth Mullis | F | 32 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 114 | 3:18:50 | Matt Mullis | M | 32 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 58 | 15:32:24 | Mike Munoz | M | 29 | TX | 01/09/10 | 100 | . | 2 | . | . | 2 | 200 |
| 59 | 15:08:51 | Mike Munoz | M | 28 | TX | 01/10/09 | 100 | . | 2 | . | . | 2 | 200 |
| 69 | 18:18:04 | Jeffery Munroe | M | 39 | TX | 01/05/08 | 100 | . | . | . | 1 | 1 | 25 |
| 18 | 13:47:49 | Patricia Munz | F | 48 | AK | 01/10/04 | 100 | . | 2 | . | . | 2 | 200 |
| 8 | 14:06:47 | Patricia Munz | F | 47 | AK | 01/11/03 | 100 | . | 2 | . | . | 2 | 200 |
| 14 | 2:15:24 | Jack Murray | M | 28 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 18 | 11:44:57 | Rasim Musal | M | 33 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 83 | 9:20:09 | Laurel Myers | F | 50 | CO | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 180 | 3:44:34 | Thomas Nagies | M | 14 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 64 | 6:55:23 | Murali Narasimhan | M | 30 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| . | 8:21:27 | Nattu Natraj | M | 43 | CO | 01/13/07 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 39 | 2:48:05 | Ignacio Navarro | M | 38 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 134 | 7:57:01 | Paul Navratil | M | 33 | TX | 01/09/10 | 50 | . | . | 1 | 1 | 2 | 75 |
| 72 | 3:04:54 | Paul Navratil | M | 31 | TX | 01/05/08 | 25 | . | . | 1 | 1 | 2 | 75 |
| 123 | 4:54:46 | Serita Nelesen | F | 25 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 78 | 7:18:00 | Bret Nelson | M | 30 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 55 | 2:54:40 | Karen Nelson | F | 44 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 115 | 3:11:00 | Kenton Nelson | M | 36 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 84 | 3:39:48 | Ray Nelson | M | 69 | LA | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 18 | 2:31:54 | Carlos Neri | M | 32 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 103 | 20:51:20 | Brent Nevin | M | 24 | WA | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 31 | 2:28:56 | Ricci Newland | M | 37 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 21 | 2:22:14 | Kelli Newlon | F | 27 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 37 | 2:40:20 | Kelli Newlon | F | 24 | TX | 01/07/06 | 25 | . | . | . | 2 | 2 | 50 |
| 108 | 8:41:48 | Hoa Nguyen | F | 36 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 116 | 9:36:35 | Yen Nguyen | F | 46 | TX | 01/10/09 | 50 | . | . | 6 | . | 6 | 300 |
| 74 | 9:13:33 | Yen Nguyen | F | 45 | TX | 01/05/08 | 50 | . | . | 6 | . | 6 | 300 |
| 79 | 10:05:20 | Yen Nguyen | F | 44 | TX | 01/13/07 | 50 | . | . | 6 | . | 6 | 300 |
| 79 | 9:05:04 | Yen Nguyen | F | 43 | TX | 01/07/06 | 50 | . | . | 6 | . | 6 | 300 |
| 68 | 8:20:06 | Yen Nguyen | F | 41 | TX | 01/10/04 | 50 | dnf100km | . | 6 | . | 6 | 300 |
| 63 | 7:52:50 | Yen Nguyen | F | 40 | TX | 01/11/03 | 50 | dnf100km | . | 6 | . | 6 | 300 |
| 85 | 10:22:04 | Dan Nichols | M | 45 | TX | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 5 | 2:22:21 | John Nichols | M | 28 | CA | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 45 | 17:42:09 | Bill Nictakis | M | 46 | MO | 01/13/07 | 100 | . | 4 | . | . | 4 | 400 |
| 15 | 15:42:13 | Bill Nictakis | M | 44 | MO | 01/08/05 | 100 | . | 4 | . | . | 4 | 400 |
| 27 | 14:48:40 | Bill Nictakis | M | 43 | MO | 01/10/04 | 100 | . | 4 | . | . | 4 | 400 |
| 14 | 15:49:25 | Bill Nictakis | M | 42 | TX | 01/11/03 | 100 | . | 4 | . | . | 4 | 400 |
| 93 | 3:26:07 | Susan Noble | F | 39 | MA | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 168 | 3:40:40 | Amanda Nolan | F | 20 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 106 | 20:21:47 | Jeremy Noret | M | 22 | TX | 01/10/09 | 100 | . | . | . | . | 0 | 0 |
| 106 | 9:20:45 | Jeremy Noret | M | 18 | TX | 01/08/05 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 99 | 3:52:27 | Alison Norman | F | 27 | TX | 01/07/06 | 25 | . | . | . | 2 | 2 | 50 |
| 122 | 4:54:46 | Alison Norman | F | 26 | TX | 01/08/05 | 25 | . | . | . | 2 | 2 | 50 |
| 57 | 7:59:39 | Donald Norman | M | 41 | TX | 01/13/07 | 50 | . | . | 2 | . | 2 | 100 |
| 50 | 7:25:10 | Donald Norman | M | 40 | TX | 01/07/06 | 50 | . | . | 2 | . | 2 | 100 |
| 95 | 7:37:34 | Jay Norman | M | 70 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 100 | 3:52:27 | Michael Norman | M | 29 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 79 | 2:54:42 | Jered Norton | M | 30 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 93 | 19:02:04 | Maria Ntefidou | F | 39 | TX | 01/09/10 | 100 | . | 1 | 2 | . | 3 | 200 |
| 65 | 6:55:32 | Mary Ntefidou | F | 38 | TX | 01/10/09 | 50 | . | 1 | 2 | . | 3 | 200 |
| 36 | 7:10:43 | Mary Ntefidou | F | 37 | TX | 01/05/08 | 50 | . | 1 | 2 | . | 3 | 200 |
| 43 | 5:55:52 | Robert Nunez | M | 39 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 106 | 3:36:51 | Leah Nyfeler | F | 45 | TX | 01/05/08 | 25 | . | . | 1 | 1 | 2 | 75 |
| 69 | 8:42:23 | Leah Nyfeler | F | 43 | TX | 01/07/06 | 50 | . | . | 1 | 1 | 2 | 75 |
| 63 | 7:15:57 | Pat O'Connor | M | 39 | CA | 01/10/04 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 51 | 7:54:47 | Camille Odom | F | 24 | TX | 01/08/05 | 50 | . | . | 1 | . | 1 | 50 |
| 130 | 3:31:41 | Andy Oestrick | F | 39 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 156 | 3:44:03 | Dawn Offel | F | 34 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 164 | 3:49:22 | Kirk Offel | M | 34 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 45 | 3:28:49 | Michelle Offield | F | 37 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 59 | 21:38:20 | Thomas Okazaki | M | 48 | TX | 01/07/06 | 100 | . | 1 | . | . | 1 | 100 |
| 20 | 2:43:14 | Karen Olsen | F | 40 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 2 | 9:19:43 | Chikara Omine | M | 27 | CA | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 61 | 2:48:41 | Ben Opps | M | 32 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 174 | 3:41:27 | Carolyn Opps | F | 33 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 26 | 13:39:21 | Jeff OReilly | M | 49 | CO | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 99 | 18:15:35 | Thomas Orf | M | 36 | TX | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 84 | 21:07:46 | Michael Orr | M | 50 | FL | 01/05/08 | 100 | . | 1 | . | . | 1 | 100 |
| 95 | 3:51:05 | Josephine Ortiz | F | 32 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 59 | 8:18:51 | Martin Ortiz | M | 37 | TX | 01/05/08 | 50 | . | . | 3 | . | 3 | 150 |
| 59 | 8:12:15 | Marty Ortiz | M | 36 | TX | 01/13/07 | 50 | . | . | 3 | . | 3 | 150 |
| 35 | 6:46:02 | Marty Ortiz | M | 35 | TX | 01/07/06 | 50 | . | . | 3 | . | 3 | 150 |
| 32 | 6:06:51 | Craig (Ozzie) Osborn | M | 41 | TX | 01/10/09 | 50 | . | . | 2 | 1 | 3 | 125 |
| 32 | 7:00:27 | Craig (Ozzie) Osborn | M | 40 | TX | 01/05/08 | 50 | . | . | 2 | 1 | 3 | 125 |
| 67 | 3:20:19 | Craig (Ozzie) Osborn | M | 39 | TX | 01/13/07 | 25 | . | . | 2 | 1 | 3 | 125 |
| 33 | 5:48:54 | Jim Pacey | M | 53 | TX | 01/09/10 | 50 | . | . | 1 | 1 | 2 | 75 |
| 57 | 2:47:29 | Jim Pacey | M | 52 | TX | 01/10/09 | 25 | . | . | 1 | 1 | 2 | 75 |
| 87 | 3:39:26 | Santhosh Padmanabahn | M | 27 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 2 | 4:43:24 | John Paladino | M | 41 | TX | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 66 | 18:12:22 | John Palmer | M | 52 | TX | 01/05/08 | 100 | . | 1 | . | 1 | 2 | 125 |
| 28 | 2:45:56 | John Palmer | M | 49 | TX | 01/08/05 | 25 | . | 1 | . | 1 | 2 | 125 |
| 83 | 9:52:12 | Lorri Park | F | 43 | TX | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 37 | 2:47:57 | Javier Pascual | M | 33 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 63 | 8:28:40 | Karen Pate | F | 42 | CO | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 54 | 6:38:36 | Bhavesh Patel | M | 39 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 66 | 16:05:50 | Bill Patience | M | 55 | TX | 01/09/10 | 100 | . | 8 | . | . | 8 | 800 |
| 92 | 16:57:52 | Bill Patience | M | 54 | TX | 01/10/09 | 100 | . | 8 | . | . | 8 | 800 |
| 18 | 13:43:30 | Bill Patience | M | 53 | TX | 01/05/08 | 100 | . | 8 | . | . | 8 | 800 |
| 4 | 12:22:12 | Bill Patience | M | 52 | TX | 01/13/07 | 100 | . | 8 | . | . | 8 | 800 |
| 4 | 12:20:22 | Bill Patience | M | 51 | TX | 01/07/06 | 100 | . | 8 | . | . | 8 | 800 |
| 22 | 16:52:12 | Bill Patience | M | 50 | TX | 01/08/05 | 100 | . | 8 | . | . | 8 | 800 |
| 5 | 11:38:58 | Bill Patience | M | 49 | TX | 01/10/04 | 100 | . | 8 | . | . | 8 | 800 |
| 6 | 12:59:47 | Bill Patience | M | 48 | TX | 01/11/03 | 100 | . | 8 | . | . | 8 | 800 |
| 73 | 19:06:46 | Stevan Pattillo | M | 57 | NM | 01/05/08 | 100 | . | 5 | . | . | 5 | 500 |
| 61 | 20:31:59 | Stevan Pattillo | M | 56 | NM | 01/13/07 | 100 | . | 5 | . | . | 5 | 500 |
| 44 | 18:23:14 | Stevan Pattillo | M | 53 | NM | 01/10/04 | 100 | . | 5 | . | . | 5 | 500 |
| 24 | 19:54:05 | Stevan Pattillo | M | 52 | NM | 01/11/03 | 100 | . | 5 | . | . | 5 | 500 |
| 112 | 20:53:06 | Steven Pattillo | M | 58 | NM | 01/10/09 | 100 | . | 5 | . | . | 5 | 500 |
| 74 | 3:32:51 | Casey Peach | M | 30 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 58 | 8:17:37 | Bart Pearson | M | 39 | TX | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 39 | 5:54:59 | Larry Pearson | M | 49 | TX | 01/09/10 | 50 | . | . | 2 | . | 2 | 100 |
| 30 | 6:51:11 | Larry Pearson | M | 47 | TX | 01/05/08 | 50 | . | . | 2 | . | 2 | 100 |
| 33 | 2:32:12 | Chris Peck | M | 32 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 56 | 20:39:17 | Thorbjorn Pedersen | M | 50 | TX | 01/07/06 | 100 | . | 2 | . | . | 2 | 200 |
| 20 | 16:44:27 | Thorbjorn Pedersen | M | 49 | TX | 01/08/05 | 100 | . | 2 | . | . | 2 | 200 |
| 45 | 14:28:28 | Joel Pederson | M | 32 | WA | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 144 | 3:39:17 | Kennedy Pena | M | 36 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 6 | 5:30:04 | Brad Pennington | M | 38 | TX | 01/08/05 | 50 | . | . | 1 | . | 1 | 50 |
| 37 | 15:29:07 | Michael Pentland | M | 45 | TX | 01/05/08 | 100 | . | 1 | . | . | 1 | 100 |
| 29 | 2:47:03 | Julie Peoples | F | 40 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 154 | 5:58:58 | Amanda Perez | F | 33 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 155 | 5:59:00 | claudia Perez | F | 37 | TX | 01/05/08 | 25 | . | 1 | . | 1 | 2 | 125 |
| 48 | 15:11:04 | Jean Perez | F | 46 | TX | 01/09/10 | 100 | . | 4 | 1 | . | 5 | 450 |
| 32 | 13:49:32 | Jean Perez | F | 45 | TX | 01/10/09 | 100 | . | 4 | 1 | . | 5 | 450 |
| 67 | 18:18:04 | Jean Perez | F | 44 | TX | 01/05/08 | 100 | . | 4 | 1 | . | 5 | 450 |
| 34 | 16:38:15 | Jean Perez | F | 43 | TX | 01/13/07 | 100 | . | 4 | 1 | . | 5 | 450 |
| 16 | 5:56:47 | Jean Perez | F | 42 | TX | 01/07/06 | 50 | . | 4 | 1 | . | 5 | 450 |
| 196 | 4:04:50 | Jennifer Perez | F | 44 | TX | 01/10/09 | 25 | . | . | . | 4 | 4 | 100 |
| 116 | 3:50:08 | Jennifer Perez | F | 43 | TX | 01/05/08 | 25 | . | . | . | 4 | 4 | 100 |
| 136 | 4:37:53 | Jennifer Perez | F | 42 | TX | 01/13/07 | 25 | . | . | . | 4 | 4 | 100 |
| 96 | 3:46:16 | Jennifer Perez | F | 41 | TX | 01/07/06 | 25 | . | . | . | 4 | 4 | 100 |
| 1 | 4:21:56 | Gergo Perlaky | M | 24 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 41 | 17:07:39 | Debra Pero | F | 52 | NM | 01/13/07 | 100 | . | 1 | 1 | . | 2 | 150 |
| 65 | 7:41:20 | Debra Pero | F | 49 | NH | 01/10/04 | 50 | dnf100km | 1 | 1 | . | 2 | 150 |
| 26 | 14:43:48 | Steve Pero | M | 52 | NH | 01/10/04 | 100 | . | 1 | . | . | 1 | 100 |
| 111 | 9:40:51 | Edgar E Perrey III | M | 34 | TX | 01/08/05 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 135 | 3:34:58 | Amanda Perron | F | 36 | LA | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 9 | 10:33:18 | Jill Perry | F | 39 | NY | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 123 | 4:04:04 | Leigh Perry | F | 34 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 24 | 15:35:23 | Patrick Perry | M | 42 | MO | 01/13/07 | 100 | . | 2 | . | . | 2 | 200 |
| 35 | 16:05:50 | Patrick Perry | M | 41 | TX | 01/07/06 | 100 | . | 2 | . | . | 2 | 200 |
| 104 | 18:51:45 | Alan Peterson | M | 51 | TX | 01/10/09 | 100 | . | 1 | 1 | . | 2 | 150 |
| 61 | 8:23:52 | Alan Peterson | M | 50 | TX | 01/05/08 | 50 | . | 1 | 1 | . | 2 | 150 |
| 93 | 6:59:42 | Dave Peth | M | 43 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 11 | 2:25:08 | Jonathan Pettibon | M | 24 | VA | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 113 | 7:27:48 | Troy Pfeiferling | M | 47 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 145 | 3:25:39 | Diane Phalen | F | 49 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 88 | 3:39:45 | Diane Phalen | F | 47 | Tx | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 66 | 3:26:05 | Diane Phalen | F | 45 | TX | 01/08/05 | 25 | . | . | . | 2 | 2 | 50 |
| 116 | 3:11:42 | Le Pham | M | 41 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 64 | 3:02:58 | Le Pham | M | 40 | TN | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 59 | 6:14:53 | Robin Phelps | F | 48 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 13 | 5:24:08 | Archie Phillips | M | 42 | TX | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 59 | 4:06:06 | Gary Phillips | M | 53 | AR | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 109 | 3:16:51 | Patrick Phillips | M | 36 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 134 | 6:39:09 | Heather Pierce | F | 28 | TX | 01/07/06 | 25 | . | . | . | 3 | 3 | 75 |
| 127 | 5:15:56 | Heather PIerce | F | 27 | TX | 01/08/05 | 25 | . | . | . | 3 | 3 | 75 |
| 70 | 6:00:00 | Heather Pierce | F | 26 | TX | 01/10/04 | 25 | . | . | . | 3 | 3 | 75 |
| 108 | 4:14:32 | Stevan Pierce | M | 30 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 214 | 4:45:42 | Bernice Pierson | F | 37 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 222 | 4:59:51 | Jennifer Pierson | F | 34 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 68 | 15:43:38 | Kimberly Pilcher | F | 45 | TX | 01/10/09 | 100 | . | 5 | 1 | . | 6 | 550 |
| 50 | 15:57:34 | Kimberly Pilcher | F | 44 | TX | 01/05/08 | 100 | . | 5 | 1 | . | 6 | 550 |
| 26 | 15:39:23 | Kimberly Pilcher | F | 43 | TX | 01/13/07 | 100 | . | 5 | 1 | . | 6 | 550 |
| 48 | 18:16:28 | Kimberly Pilcher | F | 42 | TX | 01/07/06 | 100 | . | 5 | 1 | . | 6 | 550 |
| 41 | 7:34:56 | Kimberly Pilcher | F | 41 | TX | 01/08/05 | 50 | . | 5 | 1 | . | 6 | 550 |
| 89 | 18:30:46 | Kimberly Pilcher | F | 46 | TX | 01/09/10 | 100 | . | 5 | 1 | . | 6 | 550 |
| 97 | 17:52:03 | Brian Pilgrim | M | 42 | NM | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 224 | 4:53:47 | Misty Pilgrim | F | 43 | NM | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 161 | 3:48:49 | Monica Pinzon | F | 24 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 122 | 4:04:04 | Gina Pitchford | F | 32 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 36 | 7:13:08 | Mark Platt | M | 47 | TX | 01/13/07 | 50 | . | . | 2 | . | 2 | 100 |
| 38 | 6:48:11 | Mark Platt | M | 47 | TX | 01/07/06 | 50 | . | . | 2 | . | 2 | 100 |
| 12 | 2:26:50 | Jamey Plunk | M | 48 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 43 | 7:31:22 | Howard Polden | M | 46 | TX | 01/13/07 | 50 | . | . | 2 | . | 2 | 100 |
| 41 | 6:56:30 | Howard Polden | M | 45 | TX | 01/07/06 | 50 | . | . | 2 | . | 2 | 100 |
| 38 | 13:54:03 | Danny Ponder | M | 51 | OK | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 171 | 3:56:04 | Trisha Porter | F | 44 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 54 | 16:57:04 | Kenneth Posner | M | 44 | NY | 01/05/08 | 100 | . | 1 | . | . | 1 | 100 |
| 182 | 4:08:15 | Alicia Post | F | 48 | TX | 01/09/10 | 25 | . | . | . | 2 | 2 | 50 |
| 197 | 4:05:03 | Alicia Post | F | 47 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 136 | 4:21:55 | Ernest Post | M | 41 | MA | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 93 | 3:43:55 | Ernest Post | M | 39 | TX | 01/07/06 | 25 | . | . | . | 2 | 2 | 50 |
| 21 | 2:34:29 | Mark Potter | M | 36 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 74 | 16:01:36 | Michael Potter | M | 46 | TX | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 107 | 21:56:46 | Reynaldo Powao | M | 30 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 61 | 17:42:17 | Sandra Powell | F | 48 | NM | 01/05/08 | 100 | . | 1 | . | . | 1 | 100 |
| 81 | 7:22:59 | Michael Power | M | 31 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 79 | 16:53:41 | Frank Powers | M | 49 | IL | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 59 | 15:40:31 | John Powers | M | 46 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 220 | 4:57:00 | Donna Prado | F | 39 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 176 | 4:00:04 | Jon Prado | M | 43 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 158 | 3:32:44 | Garlan Preece | M | 47 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 56 | 4:05:48 | Cecil Procter | M | 39 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 98 | 3:13:12 | Jeramie Proctor | M | 31 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 9 | 14:43:25 | John Prohira | M | 48 | NY | 01/11/03 | 100 | . | 1 | . | . | 1 | 100 |
| 47 | 2:40:22 | Michael Prusaitis | M | 30 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 17 | 5:12:45 | Derek Purvis | M | 37 | TX | 01/09/10 | 50 | . | . | 2 | . | 2 | 100 |
| 128 | 5:21:25 | Derek Purvis | M | 36 | TX | 01/10/09 | 50 | dnf100km | . | 2 | . | 2 | 100 |
| 40 | 7:23:16 | Bill Pustow | M | 54 | KY | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 116 | 5:57:12 | Brad Quinn | M | 37 | TX | 01/09/10 | 50 | dnf100km | 3 | 1 | . | 4 | 350 |
| 18 | 12:28:29 | Brad Quinn | M | 36 | TX | 01/10/09 | 100 | . | 3 | 1 | . | 4 | 350 |
| 15 | 13:15:55 | Brad Quinn | M | 34 | TX | 01/05/08 | 100 | . | 3 | 1 | . | 4 | 350 |
| 5 | 12:26:12 | Brad Quinn | M | 33 | TX | 01/13/07 | 100 | . | 3 | 1 | . | 4 | 350 |
| 51 | 22:34:57 | Michael Quinn | M | 39 | TX | 01/10/04 | 100 | . | 1 | 1 | . | 2 | 150 |
| 46 | 8:10:54 | Michael Quinn | M | 38 | TX | 01/11/03 | 50 | . | 1 | 1 | . | 2 | 150 |
| 91 | 3:45:21 | Kiera Quiring | F | 27 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 92 | 3:47:03 | Nathan Quiring | M | 31 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 29 | 2:28:20 | Alonso Quiroga | M | 17 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 59 | 2:47:47 | Rick Quiroga | M | 48 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| . | 7:47:40 | Christopher Ragan | M | 23 | TX | 01/05/08 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 114 | 5:15:43 | Mike Rahmer | M | 37 | NM | 01/09/10 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 65 | 15:33:46 | Andy Ralph | M | 42 | TX | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 222 | 4:42:29 | Brenda Ramirez | F | 34 | TX | 01/10/09 | 25 | . | . | . | 4 | 4 | 100 |
| 147 | 5:05:19 | Brenda Ramirez | F | 33 | TX | 01/05/08 | 25 | . | . | . | 4 | 4 | 100 |
| 138 | 4:47:52 | Brenda Ramirez | F | 32 | TX | 01/13/07 | 25 | . | . | . | 4 | 4 | 100 |
| 105 | 4:11:34 | Brenda Ramirez | F | 31 | TX | 01/07/06 | 25 | . | . | . | 4 | 4 | 100 |
| 24 | 12:29:21 | Gerardo Ramirez | M | 37 | TX | 01/09/10 | 100 | . | 2 | . | . | 2 | 200 |
| 23 | 13:00:37 | Gerardo Ramirez | M | 36 | TX | 01/10/09 | 100 | . | 2 | . | . | 2 | 200 |
| 45 | 18:00:26 | Christopher Rampacek | M | 54 | TX | 01/07/06 | 100 | . | 2 | . | . | 2 | 200 |
| 30 | 18:19:15 | Christopher Rampacek | M | 53 | TX | 01/08/05 | 100 | . | 2 | . | . | 2 | 200 |
| 25 | 5:31:03 | Mike Randall | M | 34 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 58 | 2:58:20 | Neil Randall | M | 35 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 77 | 16:50:22 | Randy Rangel | M | 41 | TX | 01/09/10 | 100 | . | 2 | 3 | . | 5 | 350 |
| 83 | 7:23:17 | Randy Rangel | M | 40 | TX | 01/10/09 | 50 | . | 2 | 3 | . | 5 | 350 |
| . | 6:54:43 | Randy Rangel | M | 39 | TX | 01/05/08 | 50 | dnf100km | 2 | 3 | . | 5 | 350 |
| 23 | 14:43:09 | Randy Rangel | M | 37 | TX | 01/07/06 | 100 | . | 2 | 3 | . | 5 | 350 |
| 107 | 9:20:45 | Randy Rangel | M | 36 | TX | 01/08/05 | 50 | dnf100km | 2 | 3 | . | 5 | 350 |
| 92 | 3:12:36 | Scott Rasmussen | M | 34 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 25 | 2:27:38 | Douglas Ratliff | M | 36 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 14 | 2:35:12 | Jared Ray | M | 28 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 97 | 19:23:59 | Mark Raymond | M | 47 | NY | 01/09/10 | 100 | . | 8 | . | . | 8 | 800 |
| 100 | 18:22:26 | Mark Raymond | M | 46 | NY | 01/10/09 | 100 | . | 8 | . | . | 8 | 800 |
| 76 | 19:26:31 | Mark Raymond | M | 45 | NY | 01/05/08 | 100 | . | 8 | . | . | 8 | 800 |
| 15 | 14:36:43 | Mark Raymond | M | 44 | TX | 01/13/07 | 100 | . | 8 | . | . | 8 | 800 |
| 36 | 16:06:53 | Mark Raymond | M | 43 | TX | 01/07/06 | 100 | . | 8 | . | . | 8 | 800 |
| 16 | 15:45:35 | Mark Raymond | M | 42 | TX | 01/08/05 | 100 | . | 8 | . | . | 8 | 800 |
| 30 | 15:33:14 | Mark Raymond | M | 41 | TX | 01/10/04 | 100 | . | 8 | . | . | 8 | 800 |
| 17 | 16:55:21 | Mark Raymond | M | 40 | TX | 01/11/03 | 100 | . | 8 | . | . | 8 | 800 |
| 48 | 6:32:19 | Phillip Reagan | M | 28 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 21 | 5:18:00 | Ty Reagan | M | 25 | TX | 01/09/10 | 50 | . | . | 2 | . | 2 | 100 |
| 9 | 5:12:37 | Ty Reagan | M | 24 | TX | 01/10/09 | 50 | . | . | 2 | . | 2 | 100 |
| 37 | 5:51:31 | David Reasoner | M | 38 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 67 | 16:08:10 | Richard Reaves | M | 39 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 77 | 2:53:18 | Katherine Redden | F | 38 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 6 | 10:07:58 | Glen Redpath | M | 44 | NY | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 64 | 3:00:11 | Thomas Reeber | M | 38 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 53 | 6:38:28 | Ellen Reeder | F | 46 | OK | 01/10/09 | 50 | . | . | 1 | 1 | 2 | 75 |
| 79 | 3:13:25 | Ellen Reeder | F | 45 | OK | 01/05/08 | 25 | . | . | 1 | 1 | 2 | 75 |
| 22 | 6:27:31 | Annie Reese | F | 46 | LA | 01/08/05 | 50 | . | . | 1 | 1 | 2 | 75 |
| 26 | 2:52:50 | Annie Reese | F | 45 | LA | 01/10/04 | 25 | . | . | 1 | 1 | 2 | 75 |
| 54 | 2:54:34 | David Reese | M | 51 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 65 | 3:25:02 | Mike Reese | M | 51 | LA | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 27 | 2:43:49 | Riley Reese | M | 15 | LA | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 54 | 7:33:04 | Melissa Rehl-Arro | F | 33 | TX | 01/07/06 | 50 | . | . | 2 | . | 2 | 100 |
| 31 | 7:02:23 | Melissa Rehl-Arro | F | 32 | TX | 01/08/05 | 50 | . | . | 2 | . | 2 | 100 |
| 99 | 5:47:53 | Dirk Reif | M | 44 | TX | 01/07/06 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 61 | 6:51:05 | Jamie Reilly | F | 24 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 34 | 2:38:33 | Peter Rein | M | 37 | TX | 01/07/06 | 25 | . | . | 1 | 1 | 2 | 75 |
| 32 | 7:02:23 | Peter Rein | M | 36 | TX | 01/08/05 | 50 | . | . | 1 | 1 | 2 | 75 |
| 38 | 2:56:27 | Nicholle Reinhardt | F | 25 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 196 | 4:22:14 | Rodney Reisnouer | M | 59 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 82 | 16:21:45 | Axel Reissnecker | M | 55 | TX | 01/10/09 | 100 | . | 2 | 1 | . | 3 | 250 |
| 59 | 19:18:43 | Axel Reissnecker | M | 53 | TX | 01/13/07 | 100 | . | 2 | 1 | . | 3 | 250 |
| 98 | 5:41:22 | Axel Reissnecker | M | 52 | TX | 01/07/06 | 50 | dnf100km | 2 | 1 | . | 3 | 250 |
| 161 | 3:34:31 | Sheila Reiter | F | 47 | TX | 01/10/09 | 25 | . | . | . | 3 | 3 | 75 |
| 129 | 4:09:31 | Sheila Reiter | F | 46 | TX | 01/05/08 | 25 | . | . | . | 3 | 3 | 75 |
| 83 | 3:39:12 | Sheila Reiter | F | 43 | TX | 01/08/05 | 25 | . | . | . | 3 | 3 | 75 |
| 66 | 21:43:15 | Brice Remaley | M | 34 | TX | 01/13/07 | 100 | . | 2 | . | 1 | 3 | 225 |
| 87 | 3:36:02 | Brice Remaley | M | 34 | TX | 01/07/06 | 25 | . | 2 | . | 1 | 3 | 225 |
| 20 | 14:07:03 | Brice Remaley | M | 30 | TX | 01/10/04 | 100 | . | 2 | . | 1 | 3 | 225 |
| 55 | 15:25:58 | Brad Reno | M | 34 | TX | 01/09/10 | 100 | . | 1 | . | 1 | 2 | 125 |
| 122 | 3:14:00 | Brad Reno | M | 33 | TX | 01/10/09 | 25 | . | 1 | . | 1 | 2 | 125 |
| 192 | 4:19:49 | Jennifer Reno | F | 34 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 137 | 8:30:21 | Carlos Reyes | M | 54 | TX | 01/09/10 | 50 | dnf100km | . | 4 | . | 4 | 200 |
| 91 | 7:34:08 | Carlos Reyes | M | 53 | TX | 01/10/09 | 50 | . | . | 4 | . | 4 | 200 |
| 82 | 9:12:36 | Carlos Reyes | M | 50 | TX | 01/07/06 | 50 | . | . | 4 | . | 4 | 200 |
| 54 | 8:05:35 | Carlos Reyes | M | 49 | TX | 01/08/05 | 50 | . | . | 4 | . | 4 | 200 |
| 240 | No Read | Maribel Reymundo | F | 29 | TX | 01/10/09 | 25 | . | . | 1 | 4 | 5 | 150 |
| 138 | 4:23:18 | Maribel Reymundo | F | 28 | TX | 01/05/08 | 25 | . | . | 1 | 4 | 5 | 150 |
| 115 | 3:57:10 | Maribel Reymundo | F | 27 | TX | 01/13/07 | 25 | . | . | 1 | 4 | 5 | 150 |
| 109 | 9:29:29 | Maribel Reymundo | F | 26 | TX | 01/07/06 | 50 | dnf100km | . | 1 | 4 | 5 | 150 |
| 64 | 3:24:31 | Maribel Reymundo | F | 25 | TX | 01/08/05 | 25 | . | . | 1 | 4 | 5 | 150 |
| 46 | 5:57:24 | John Reynolds | M | 40 | TX | 01/09/10 | 50 | . | 1 | 2 | . | 3 | 200 |
| 3 | 10:36:20 | John Reynolds | M | 39 | TX | 01/10/09 | 100 | . | 1 | 2 | . | 3 | 200 |
| 2 | 4:39:29 | John Reynolds | M | 38 | TX | 01/05/08 | 50 | . | 1 | 2 | . | 3 | 200 |
| 53 | 2:54:28 | Kelly Reynolds | F | 37 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 81 | 20:30:18 | Donald Rice | M | 34 | TX | 01/05/08 | 100 | . | 1 | . | . | 1 | 100 |
| 175 | 3:57:36 | Ken Rice | M | 47 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 53 | 7:32:07 | Jeffrey Richard | M | 49 | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| . | 9:26:02 | Jim Richard | M | 45 | TX | 01/05/08 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 27 | 13:42:15 | Mark Richards | M | 35 | TX | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 35 | 13:31:18 | Brian Ricketts | M | 31 | TX | 01/09/10 | 100 | . | 1 | 1 | 1 | 3 | 175 |
| . | 7:30:49 | Brian Ricketts | M | 29 | TX | 01/05/08 | 50 | dnf100km | 1 | 1 | 1 | 3 | 175 |
| 77 | 3:25:13 | Brian Ricketts | M | 28 | TX | 01/13/07 | 25 | . | 1 | 1 | 1 | 3 | 175 |
| 70 | 3:01:41 | Samantha Rieger | F | 26 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 4 | 2:04:58 | Lou Riesch | M | 30 | TX | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 6 | 2:07:03 | Lou Riesch | M | 28 | TX | 01/07/06 | 25 | . | . | . | 2 | 2 | 50 |
| 7 | 2:02:07 | Louie Riesch | M | 31 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 137 | 7:50:47 | Mike Riggs | M | 48 | TX | 01/10/09 | 50 | dnf100km | 2 | 1 | . | 3 | 250 |
| 54 | 18:39:34 | Mike Riggs | M | 46 | TX | 01/13/07 | 100 | . | 2 | 1 | . | 3 | 250 |
| 26 | 17:28:36 | Mike Riggs | M | 44 | TX | 01/08/05 | 100 | . | 2 | 1 | . | 3 | 250 |
| 17 | 16:10:40 | Kimmy Riley | F | 43 | AR | 01/08/05 | 100 | . | 1 | . | . | 1 | 100 |
| 154 | 8:57:30 | Paula Ring | F | 25 | TX | 01/09/10 | 50 | . | . | 1 | 1 | 2 | 75 |
| 101 | 3:05:06 | Paula Ring | F | 24 | TX | 01/10/09 | 25 | . | . | 1 | 1 | 2 | 75 |
| 42 | 3:34:45 | Kim Risinger | F | 34 | IL | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 109 | 4:21:51 | Layne Roach | F | 44 | TX | 01/07/06 | 25 | . | . | . | 2 | 2 | 50 |
| 56 | 3:59:53 | Layne Roach | F | 41 | TX | 01/11/03 | 25 | . | . | . | 2 | 2 | 50 |
| 119 | 4:35:53 | Beverly Roady | F | 35 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 12 | 5:49:39 | Stan Roady | M | 42 | TX | 01/08/05 | 50 | . | . | 1 | . | 1 | 50 |
| 162 | 3:49:14 | Ronna Robbins | F | 32 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 30 | 2:58:21 | Catherine Roberts | F | 46 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 122 | 10:22:50 | Ricky Roberts | M | 54 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 3 | 10:58:42 | Craig Robertson | M | 43 | TX | 01/10/04 | 100 | . | 1 | . | . | 1 | 100 |
| 44 | 2:46:38 | Karen Robertson | F | 47 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 220 | 4:34:06 | Anthony Robinette | M | 47 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 219 | 4:34:03 | Michele Robinette | F | 36 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 9 | 2:18:38 | Chris Robinson | M | 33 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 65 | 3:00:16 | Mike Robinson | M | 54 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 103 | 3:07:39 | Trey Robinson | M | 35 | TX | 01/10/09 | 25 | . | . | . | 3 | 3 | 75 |
| 31 | 2:48:52 | Trey Robinson | M | 31 | TX | 01/08/05 | 25 | . | . | . | 3 | 3 | 75 |
| 18 | 2:40:27 | Trey Robinson | M | 30 | TX | 01/10/04 | 25 | . | . | . | 3 | 3 | 75 |
| 73 | 3:05:28 | Robert (Trey) Robinson III | M | 34 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 66 | 3:03:13 | Sarah Rodbard | F | 27 | NY | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 206 | 4:14:42 | Brenda Rodgers | F | 41 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 126 | 3:30:59 | Adrian Rodriguez | M | 29 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 22 | 2:48:13 | Joe Rodriguez | M | 31 | TX | 01/10/04 | 25 | . | . | . | 2 | 2 | 50 |
| 32 | 3:05:17 | Joe Rodriguez | M | 30 | TX | 01/11/03 | 25 | . | . | . | 2 | 2 | 50 |
| 191 | 4:19:17 | Brian Rojewski | M | 42 | MI | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 47 | 15:07:27 | Debra Rojewski | F | 44 | MI | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 185 | 4:11:44 | Karen Rolirad | F | 39 | TX | 01/09/10 | 25 | . | . | . | 2 | 2 | 50 |
| 51 | 3:55:49 | Karen Rolirad | F | 47 | TX | 01/11/03 | 25 | . | . | . | 2 | 2 | 50 |
| 186 | 4:12:18 | Michael Rolirad | M | 54 | TX | 01/09/10 | 25 | . | . | . | 2 | 2 | 50 |
| 52 | 3:55:51 | Michael Rolirad | M | 47 | TX | 01/11/03 | 25 | . | . | . | 2 | 2 | 50 |
| 80 | 9:05:40 | Mickey Rollins | M | 61 | TX | 01/07/06 | 50 | . | . | 1 | 1 | 2 | 75 |
| 124 | 4:56:18 | Mickey Rollins | M | 60 | TX | 01/08/05 | 25 | . | . | 1 | 1 | 2 | 75 |
| 66 | 3:00:27 | Michael Romans | M | 51 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 178 | 3:43:34 | Michael Rondini | M | 46 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 16 | 2:30:32 | Shan Rooney | F | 35 | TX | 01/05/08 | 25 | . | 2 | 1 | 1 | 4 | 275 |
| 16 | 13:39:57 | Shan Rooney | F | 33 | TX | 01/07/06 | 100 | . | 2 | 1 | 1 | 4 | 275 |
| 33 | 16:07:50 | Shan Rooney | F | 31 | TX | 01/10/04 | 100 | . | 2 | 1 | 1 | 4 | 275 |
| 65 | 8:03:20 | Shan Rooney | F | 30 | TX | 01/11/03 | 50 | dnf100km | 2 | 1 | 1 | 4 | 275 |
| . | 7:12:18 | Todd Roper | M | 33 | TX | 01/13/07 | 50 | dnf100km | . | 2 | . | 2 | 100 |
| 16 | 6:40:20 | Todd Roper | M | 30 | TX | 01/10/04 | 50 | . | . | 2 | . | 2 | 100 |
| 115 | 3:19:00 | Nathan Roseberry | M | 31 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 57 | 17:38:25 | Alec Ross | M | 39 | TN | 01/05/08 | 100 | . | 1 | . | . | 1 | 100 |
| 99 | 3:31:50 | Bruce Ross | M | 35 | CA | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 39 | 6:21:07 | Joe Ross | M | 39 | TX | 01/10/09 | 50 | . | . | 1 | 1 | 2 | 75 |
| 20 | 2:42:12 | Joe Ross | M | 37 | TX | 01/13/07 | 25 | . | . | 1 | 1 | 2 | 75 |
| 132 | 6:35:23 | Tiffany Rossetti | F | 30 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 131 | 7:42:47 | Dmitry Rozinsky | M | 34 | TX | 01/09/10 | 50 | dnf100km | 2 | 2 | . | 4 | 300 |
| 72 | 7:06:12 | Dmitry Rozinsky | M | 33 | TX | 01/10/09 | 50 | . | 2 | 2 | . | 4 | 300 |
| 51 | 16:20:27 | Dmitry Rozinsky | M | 32 | TX | 01/05/08 | 100 | . | 2 | 2 | . | 4 | 300 |
| 44 | 17:36:17 | Dmitry Rozinsky | M | 31 | TX | 01/13/07 | 100 | . | 2 | 2 | . | 4 | 300 |
| 89 | 3:41:23 | Cynthia Rubsamen | F | 42 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 75 | 19:26:24 | R. Don Ruggles | M | 63 | TX | 01/05/08 | 100 | . | 1 | . | . | 1 | 100 |
| 58 | 6:14:20 | Mike Ruhlin | M | 26 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 78 | 20:18:18 | Bill Rumbaugh | M | 62 | TX | 01/05/08 | 100 | . | . | . | 1 | 1 | 25 |
| 20 | 2:42:05 | Tina Runyan | F | 31 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 43 | 14:37:54 | Chris Russell | M | 43 | TX | 01/09/10 | 100 | . | 2 | 1 | . | 3 | 250 |
| 63 | 6:54:40 | Chris Russell | M | 42 | TX | 01/10/09 | 50 | . | 2 | 1 | . | 3 | 250 |
| 20 | 15:01:05 | Chris Russell | M | 40 | TX | 01/13/07 | 100 | . | 2 | 1 | . | 3 | 250 |
| 63 | 7:58:19 | Greg Rust | M | 49 | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 24 | 16:52:12 | Linda Rust | F | 45 | TX | 01/08/05 | 100 | . | 2 | . | . | 2 | 200 |
| 37 | 17:09:25 | Linda Rust | F | 44 | TX | 01/10/04 | 100 | . | 2 | . | . | 2 | 200 |
| 33 | 6:39:30 | Doug Ryan | M | 48 | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 48 | 14:37:25 | Robin Saenz | F | 53 | OK | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 101 | 3:32:42 | Mary Salas | F | 40 | TX | 01/05/08 | 25 | . | . | 1 | . | 1 | 50 |
| 14 | 5:09:41 | Paul Salazar | M | 47 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 225 | 4:58:43 | Becky Sampson | F | 43 | TX | 01/10/09 | 25 | . | . | 1 | 1 | 2 | 75 |
| 81 | 11:02:29 | Becky Sampson | F | 39 | TX | 01/08/05 | 50 | . | . | 1 | 1 | 2 | 75 |
| 186 | 3:51:23 | Jim Sampson | M | 40 | TX | 01/10/09 | 25 | . | . | 1 | 1 | 2 | 75 |
| 80 | 11:02:29 | Jim Sampson | M | 36 | TX | 01/08/05 | 50 | . | . | 1 | 1 | 2 | 75 |
| 13 | 11:12:30 | Lorenzo Sanchez | M | 32 | TX | 01/09/10 | 100 | . | 3 | . | . | 3 | 300 |
| 8 | 11:43:55 | Lorenzo Sanchez | M | 31 | TX | 01/10/09 | 100 | . | 3 | . | . | 3 | 300 |
| 28 | 15:01:38 | Lorenzo Sanchez | M | 30 | TX | 01/05/08 | 100 | . | 3 | . | . | 3 | 300 |
| 118 | 3:54:04 | Zuleika Sanchez | F | 30 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 212 | 4:19:28 | Eva Sanders | F | 59 | TX | 01/10/09 | 25 | . | . | . | 5 | 5 | 125 |
| 139 | 4:45:20 | Eva Sanders | F | 58 | TX | 01/05/08 | 25 | . | . | . | 5 | 5 | 125 |
| 109 | 4:22:37 | Eva Sanders | F | 55 | TX | 01/08/05 | 25 | . | . | . | 5 | 5 | 125 |
| 63 | 4:30:10 | Eva Sanders | F | 54 | TX | 01/10/04 | 25 | . | . | . | 5 | 5 | 125 |
| 70 | 4:55:36 | Eva Sanders | F | 53 | TX | 01/11/03 | 25 | . | . | . | 5 | 5 | 125 |
| 213 | 4:45:41 | Patricia Sandoval | F | 35 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 198 | 4:05:07 | Kelly Sawyer | F | 47 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 8 | 0:13:21 | Logan Sawyer | M | 5 | TX | 01/10/09 | 1 | . | . | . | . | 0 | 0 |
| 27 | 15:47:52 | Michael Sawyer | M | 38 | TX | 01/13/07 | 100 | . | 1 | . | . | 1 | 100 |
| 52 | 7:48:07 | Annalaura Scandrett | F | 21 | MN | 01/13/07 | 50 | . | . | 2 | 1 | 3 | 125 |
| 72 | 8:47:47 | AnnaLaura Scandrett | F | 20 | MN | 01/07/06 | 50 | . | . | 2 | 1 | 3 | 125 |
| 52 | 3:51:39 | Annalaura Scandrett | F | 18 | MN | 01/10/04 | 25 | . | . | 2 | 1 | 3 | 125 |
| 17 | 6:14:39 | Michael Scandrett | M | 52 | MN | 01/13/07 | 50 | . | . | 3 | . | 3 | 150 |
| 20 | 6:09:00 | Michael Scandrett | M | 51 | MN | 01/07/06 | 50 | . | . | 3 | . | 3 | 150 |
| 4 | 5:53:59 | Michael Scandrett | M | 49 | MN | 01/10/04 | 50 | . | . | 3 | . | 3 | 150 |
| 209 | 4:17:06 | Michael Scheffelin | M | 61 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 111 | 3:17:32 | Allen Schlinke | M | 40 | TX | 01/09/10 | 25 | . | . | 1 | 1 | 2 | 75 |
| 72 | 9:29:54 | Allen Schlinke | M | 35 | TX | 01/08/05 | 50 | . | . | 1 | 1 | 2 | 75 |
| 22 | 6:53:31 | Carol Schmidt | F | 44 | TX | 01/10/04 | 50 | . | . | 1 | . | 1 | 50 |
| 21 | 14:40:51 | Paul Schmidt | M | 54 | TX | 01/07/06 | 100 | . | 2 | . | . | 2 | 200 |
| 12 | 15:12:45 | Paul Schmidt | M | 51 | CA | 01/11/03 | 100 | . | 2 | . | . | 2 | 200 |
| 106 | 8:41:43 | Rolfe Schmidt | M | 36 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 30 | 7:24:18 | Steven Schmidt | M | 36 | TX | 01/10/04 | 50 | . | . | 1 | . | 1 | 50 |
| 15 | 6:39:44 | Michael Schmit | M | 38 | OK | 01/10/04 | 50 | . | . | 1 | . | 1 | 50 |
| 74 | 6:30:00 | Al Schneider | M | 45 | OK | 01/09/10 | 50 | . | . | 1 | 4 | 5 | 150 |
| 66 | 3:19:25 | Al Schneider | M | 42 | OK | 01/13/07 | 25 | . | . | 1 | 4 | 5 | 150 |
| 48 | 2:51:19 | Al Schneider | M | 41 | OK | 01/07/06 | 25 | . | . | 1 | 4 | 5 | 150 |
| 33 | 2:52:39 | Al Schneider | M | 40 | OK | 01/08/05 | 25 | . | . | 1 | 4 | 5 | 150 |
| 21 | 2:45:56 | Al Schneider | M | 39 | OK | 01/10/04 | 25 | . | . | 1 | 4 | 5 | 150 |
| 44 | 6:26:35 | Teddi Schneider | F | 37 | LA | 01/10/09 | 50 | . | . | 2 | . | 2 | 100 |
| 34 | 7:10:23 | Teddi Schneider | F | 36 | LA | 01/05/08 | 50 | . | . | 2 | . | 2 | 100 |
| 28 | 2:53:45 | Kerstin Schoenhael | F | 32 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 3 | 4:57:59 | Paul Schoenlaub | M | 47 | MO | 01/13/07 | 50 | . | . | 1 | . | 1 | 50 |
| 73 | 5:14:05 | Robert Schofield | M | 70 | ON | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 34 | 6:58:41 | Shaun Schottmiller | M | 27 | TX | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 17 | 13:32:00 | Shawn Schwantes | M | 31 | TX | 01/05/08 | 100 | . | 1 | . | . | 1 | 100 |
| 223 | 4:59:52 | Leah Schwarz | F | 37 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 92 | 3:41:36 | James Scott | M | 24 | TX | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 66 | 3:06:11 | James Scott | M | 23 | TX | 01/07/06 | 25 | . | . | . | 2 | 2 | 50 |
| 102 | 20:51:19 | Kay Scott | F | 40 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 83 | 3:33:16 | Don Scruggs | M | 46 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 124 | 4:04:53 | Mark Seale | M | 33 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| . | 8:08:57 | Daniel Seaway | M | 32 | IL | 01/13/07 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 54 | 3:00:26 | Claire Secker | F | 52 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 69 | 3:20:51 | Billy Sederholm | M | 40 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 102 | 3:55:31 | Ryan Sederholm | M | 24 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 69 | 8:34:58 | Kim Sergeant | F | 44 | TX | 01/11/03 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 111 | 23:44:21 | Deborah Sexton | F | 52 | TX | 01/09/10 | 100 | . | 3 | 2 | . | 5 | 400 |
| 61 | 8:15:29 | Deborah Sexton | F | 49 | TX | 01/13/07 | 50 | . | 3 | 2 | . | 5 | 400 |
| 61 | 23:01:15 | Deborah Sexton | F | 48 | TX | 01/07/06 | 100 | . | 3 | 2 | . | 5 | 400 |
| 57 | 8:16:55 | Deborah Sexton | F | 47 | TX | 01/08/05 | 50 | . | 3 | 2 | . | 5 | 400 |
| 28 | 21:34:32 | Deborah Sexton | F | 45 | TX | 01/11/03 | 100 | . | 3 | 2 | . | 5 | 400 |
| 84 | 3:17:42 | Marcus Sexton | M | 39 | TX | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 50 | 3:13:51 | Marcus Sexton | M | 38 | TX | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 16 | 2:16:32 | Lane Seymour | M | 38 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 25 | 2:51:16 | Jimmy Shafer | M | 50 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 45 | 2:49:07 | Paul Shaffer | M | 36 | TX | 01/07/06 | 25 | . | . | . | 2 | 2 | 50 |
| 60 | 3:20:10 | Paul Shaffer | M | 35 | TX | 01/08/05 | 25 | . | . | . | 2 | 2 | 50 |
| 60 | 3:02:53 | Ashley Shannon | F | 22 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 61 | 3:02:53 | Kathy Shannon | F | 47 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 54 | 14:53:54 | John Sharp | M | 31 | TX | 01/10/09 | 100 | . | 1 | 1 | . | 2 | 150 |
| 20 | 6:24:36 | John Sharp | M | 30 | TX | 01/05/08 | 50 | . | 1 | 1 | . | 2 | 150 |
| 9 | 5:30:56 | Chris Shaw | M | . | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 155 | 3:31:55 | Stephen Sheets | M | 28 | MD | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| . | 10:16:30 | Terry Shelden | M | 65 | TX | 01/13/07 | 50 | dnf100km | . | 2 | . | 2 | 100 |
| 68 | 8:16:55 | Terry Shelden | M | 61 | TX | 01/11/03 | 50 | dnf100km | . | 2 | . | 2 | 100 |
| 10 | 5:48:20 | Phil Sheridan | M | 47 | KS | 01/08/05 | 50 | . | . | 1 | . | 1 | 50 |
| 69 | 15:43:39 | Nancy Shidler | F | 50 | OK | 01/10/09 | 100 | . | 1 | 2 | . | 3 | 200 |
| 43 | 7:21:54 | Nancy Shidler | F | 49 | OK | 01/05/08 | 50 | . | 1 | 2 | . | 3 | 200 |
| 31 | 6:39:30 | Nancy Shidler | F | 47 | OK | 01/07/06 | 50 | . | 1 | 2 | . | 3 | 200 |
| 39 | 2:50:16 | William Shields | M | 28 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 140 | 3:37:24 | Freya Shiller | F | 44 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 125 | 7:44:23 | Ernie Shippey | M | 49 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 74 | 8:53:30 | Judy Shipway | F | 53 | TX | 01/13/07 | 50 | . | . | 1 | 1 | 2 | 75 |
| 113 | 4:33:37 | Judy Shipway | F | 52 | TX | 01/07/06 | 25 | . | . | 1 | 1 | 2 | 75 |
| 229 | 5:22:42 | Bill Shirk | M | 64 | KS | 01/09/10 | 25 | . | . | 3 | 1 | 4 | 175 |
| 73 | 8:53:22 | Bill Shirk | M | 60 | KS | 01/07/06 | 50 | . | . | 3 | 1 | 4 | 175 |
| 61 | 8:28:10 | Bill Shirk | M | 59 | KS | 01/08/05 | 50 | . | . | 3 | 1 | 4 | 175 |
| 33 | 7:36:34 | Bill Shirk | M | 58 | KS | 01/10/04 | 50 | . | . | 3 | 1 | 4 | 175 |
| 127 | 5:36:09 | Jan Shirk | F | 48 | KS | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 39 | 14:04:18 | Bret Sholar | M | 42 | OK | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 72 | 3:22:14 | Thomas Shore | M | 35 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 114 | 3:11:00 | Amanda Short | F | 24 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 145 | 10:15:21 | Neil Short | M | 62 | WY | 01/09/10 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 185 | 3:49:25 | Mary Shrader | F | 36 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 79 | 3:06:52 | Paul Shropshire | M | 52 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 46 | 14:30:09 | Tammy Sieminowski | F | 40 | Canada | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| . | 10:18:00 | Michael Siltman | M | 37 | IL | 01/13/07 | 50 | dnf100km | 1 | 1 | . | 2 | 150 |
| 43 | 17:50:37 | Michael Siltman | M | 36 | TX | 01/07/06 | 100 | . | 1 | 1 | . | 2 | 150 |
| . | 10:30:45 | Tonya Siltman | F | 35 | IL | 01/13/07 | 50 | dnf100km | . | 2 | . | 2 | 100 |
| 87 | 9:42:41 | Tonya Siltman | F | 34 | IL | 01/07/06 | 50 | . | . | 2 | . | 2 | 100 |
| 88 | 3:22:15 | Maria Silva | F | 49 | Puerto Rico | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 81 | 3:39:01 | Richard Simbala | M | 53 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 15 | 2:36:23 | Danny Simmons | M | 33 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 128 | 4:08:58 | Gregg Simmons | M | 34 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 66 | 15:37:01 | John Simmons | M | 28 | TX | 01/10/09 | 100 | . | 1 | . | 1 | 2 | 125 |
| 27 | 2:43:05 | John Simmons | M | 27 | TX | 01/05/08 | 25 | . | 1 | . | 1 | 2 | 125 |
| 51 | 2:53:58 | Keith Simmons | M | 41 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 201 | 4:25:40 | Meghan Simmons | F | 30 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 105 | 9:20:45 | Justin Simon | M | 19 | TX | 01/08/05 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 62 | 6:51:05 | Sandy Simons | F | 46 | TX | 01/10/09 | 50 | . | 1 | 1 | . | 2 | 150 |
| 79 | 20:30:15 | Sandy Simons | F | 45 | TX | 01/05/08 | 100 | . | 1 | 1 | . | 2 | 150 |
| 64 | 8:37:16 | Devon Simpson | M | 53 | TX | 01/08/05 | 50 | . | . | 1 | . | 1 | 50 |
| 49 | 3:09:37 | Meghan Simpson | F | 25 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 47 | 14:30:14 | Beth Simpson-Hall | F | 50 | WI | 01/10/09 | 100 | . | 2 | . | . | 2 | 200 |
| 30 | 15:05:33 | Beth Simpson-Hall | F | 49 | WI | 01/05/08 | 100 | . | 2 | . | . | 2 | 200 |
| 150 | 3:29:07 | Daymon Sims | M | 41 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 170 | 3:41:02 | Zac Sims | M | 20 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 21 | 2:43:18 | David Sing | M | 48 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 53 | 3:58:21 | Jim Sink | M | 32 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 55 | 3:58:40 | Catherine Siroishka | F | 37 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 9 | 12:14:08 | Steve Sisson | M | 38 | TX | 01/05/08 | 100 | . | 1 | . | . | 1 | 100 |
| 78 | 2:54:20 | Frank Sizemore | M | 33 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 54 | 15:23:22 | Stuart Skeeter | M | 39 | TX | 01/09/10 | 100 | . | 5 | 1 | . | 6 | 550 |
| 33 | 13:50:53 | Stuart Skeeter | M | 38 | TX | 01/10/09 | 100 | . | 5 | 1 | . | 6 | 550 |
| 35 | 15:28:01 | Stuart Skeeter | M | 37 | TX | 01/05/08 | 100 | . | 5 | 1 | . | 6 | 550 |
| 30 | 15:37:04 | Stuart Skeeter | M | 35 | TX | 01/07/06 | 100 | . | 5 | 1 | . | 6 | 550 |
| 100 | 8:49:01 | Stuart Skeeter | M | 34 | TX | 01/08/05 | 50 | dnf100km | 5 | 1 | . | 6 | 550 |
| 23 | 15:25:27 | Stuart Skeeter | M | 36 | TX | 01/13/07 | 100 | . | 5 | 1 | . | 6 | 550 |
| 76 | 6:32:43 | Jim Skelding | M | 39 | TX | 01/09/10 | 50 | . | . | 3 | . | 3 | 150 |
| 66 | 6:58:53 | Jim Skelding | M | 38 | TX | 01/10/09 | 50 | . | . | 3 | . | 3 | 150 |
| 53 | 7:57:57 | Jim Skelding | M | 37 | TX | 01/05/08 | 50 | . | . | 3 | . | 3 | 150 |
| 76 | 3:25:12 | Bill Sleep | M | 59 | TX | 01/13/07 | 25 | . | . | 1 | 3 | 4 | 125 |
| 72 | 3:14:38 | Bill Sleep | M | 58 | TX | 01/07/06 | 25 | . | . | 1 | 3 | 4 | 125 |
| 61 | 3:21:35 | Bill Sleep | M | 57 | TX | 01/08/05 | 25 | . | . | 1 | 3 | 4 | 125 |
| 28 | 7:17:38 | Bill Sleep | M | 56 | TX | 01/10/04 | 50 | . | . | 1 | 3 | 4 | 125 |
| 86 | 3:41:03 | Alice Smith | F | 35 | TX | 01/08/05 | 25 | . | . | . | 2 | 2 | 50 |
| 62 | 4:22:23 | Alice Smith | F | 34 | TX | 01/10/04 | 25 | . | . | . | 2 | 2 | 50 |
| . | 8:06:10 | Eric Smith | M | 47 | VT | 01/13/07 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 51 | 6:37:41 | Mark Smith | M | 37 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 5 | 4:31:54 | Matt Smith | M | 31 | TX | 01/09/10 | 50 | . | . | 2 | . | 2 | 100 |
| 2 | 4:30:46 | Matt Smith | M | 30 | TX | 01/10/09 | 50 | . | . | 2 | . | 2 | 100 |
| 14 | 2:18:02 | Nathan Smith | M | 36 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 11 | 10:36:25 | Pam Smith | F | 35 | OR | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 109 | 3:09:13 | Ryan Smith | M | 37 | TX | 01/10/09 | 25 | . | . | . | 3 | 3 | 75 |
| 63 | 3:02:52 | Ryan Smith | M | 36 | TX | 01/05/08 | 25 | . | . | . | 3 | 3 | 75 |
| 62 | 3:16:45 | Ryan Smith | M | 35 | TX | 01/13/07 | 25 | . | . | . | 3 | 3 | 75 |
| 10 | 4:52:41 | Smitty Smith | M | 40 | LA | 01/09/10 | 50 | . | . | 3 | . | 3 | 150 |
| 45 | 6:26:35 | Smitty Smith | M | 39 | LA | 01/10/09 | 50 | . | . | 3 | . | 3 | 150 |
| 35 | 7:10:23 | Smitty Smith | M | 38 | LA | 01/05/08 | 50 | . | . | 3 | . | 3 | 150 |
| 80 | 3:15:38 | Stephen Smith | M | 44 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 1 | 0:08:58 | Zachary Smith | M | 11 | TX | 01/10/09 | 1 | . | . | . | . | 0 | 0 |
| 3 | 2:04:57 | Kent Snead | M | 43 | TX | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 3 | 2:05:27 | Kent Snead | M | 42 | TX | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 5 | 2:15:54 | Joe Sneddon | M | 40 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 48 | 7:54:13 | Bobby Snyder | M | 37 | TX | 01/08/05 | 50 | . | . | 1 | . | 1 | 50 |
| 145 | 3:39:55 | Christa Snyder | F | 28 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| . | 6:58:22 | Jeff Snyder | M | 30 | TX | 01/05/08 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 47 | 3:32:47 | Patrick Snyder | M | 55 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 40 | 17:07:39 | Jan Soderkvist | M | 47 | Sweden | 01/13/07 | 100 | . | 1 | 1 | . | 2 | 150 |
| 101 | 6:38:06 | Jan Soderkvist | M | 45 | TX | 01/07/06 | 50 | dnf100km | 1 | 1 | . | 2 | 150 |
| 135 | 7:58:36 | Layla Soileau | F | 31 | TX | 01/09/10 | 50 | . | . | 1 | 1 | 2 | 75 |
| 213 | 4:20:04 | Layla Soileau | F | 30 | TX | 01/10/09 | 25 | . | . | 1 | 1 | 2 | 75 |
| 234 | 5:46:19 | Brent Sonnier | M | 40 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 69 | 2:50:48 | Todd Sorrel | M | 34 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 72 | 16:21:12 | Jeanette Spears | F | 45 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 41 | 2:38:22 | Samuel Spector | M | 23 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 113 | 3:56:59 | Dude Spellings | M | 36 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 13 | 5:51:12 | Chris Spencer | M | 31 | TX | 01/13/07 | 50 | . | . | 1 | 1 | 2 | 75 |
| 9 | 2:09:40 | Chris Spencer | M | 30 | TX | 01/07/06 | 25 | . | . | 1 | 1 | 2 | 75 |
| 58 | 4:17:12 | Antje Spethmann | F | . | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 43 | 2:45:55 | Jason Sphon | M | 28 | TX | 01/07/06 | 25 | . | . | . | 1 | 1 | 25 |
| 112 | 9:10:00 | Sandy Spradling | F | 61 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 79 | 6:34:28 | David Springer | M | 41 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 35 | 2:49:43 | Steve Sprinkle | M | 44 | TX | 01/05/08 | 25 | . | . | . | 5 | 5 | 125 |
| 23 | 2:44:29 | Steve Sprinkle | M | 43 | TX | 01/13/07 | 25 | . | . | . | 5 | 5 | 125 |
| 49 | 2:53:13 | Steve Sprinkle | M | 42 | TX | 01/07/06 | 25 | . | . | . | 5 | 5 | 125 |
| 2 | 2:07:01 | Steve Sprinkle | M | 40 | TX | 01/10/04 | 25 | . | . | . | 5 | 5 | 125 |
| 4 | 2:16:35 | Steve Sprinkle | M | 39 | TX | 01/11/03 | 25 | . | . | . | 5 | 5 | 125 |
| 166 | 9:47:55 | Donna Squyres | F | 56 | TX | 01/09/10 | 50 | . | 3 | 4 | . | 7 | 500 |
| 123 | 10:52:20 | Donna Squyres | F | 55 | TX | 01/10/09 | 50 | . | 3 | 4 | . | 7 | 500 |
| 86 | 21:18:54 | Donna Squyres | F | 54 | TX | 01/05/08 | 100 | . | 3 | 4 | . | 7 | 500 |
| 68 | 21:55:43 | Donna Squyres | F | 53 | TX | 01/13/07 | 100 | . | 3 | 4 | . | 7 | 500 |
| 84 | 9:25:32 | Donna Squyres | F | 52 | TX | 01/07/06 | 50 | . | 3 | 4 | . | 7 | 500 |
| 36 | 21:52:05 | Donna Squyres | F | 51 | TX | 01/08/05 | 100 | . | 3 | 4 | . | 7 | 500 |
| 58 | 8:23:17 | Donna Squyres | F | 50 | TX | 01/10/04 | 50 | dnf100km | 3 | 4 | . | 7 | 500 |
| 119 | 9:52:36 | Savitha Sridharan | F | 29 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 10 | 13:03:44 | Robert Stallings | M | 34 | TX | 01/07/06 | 100 | . | 1 | 1 | . | 2 | 150 |
| 5 | 5:28:20 | Robert Stallings | M | 33 | TX | 01/08/05 | 50 | . | 1 | 1 | . | 2 | 150 |
| 10 | 11:44:28 | Woody Stallings | M | 37 | TX | 01/10/09 | 100 | . | 2 | . | . | 2 | 200 |
| 11 | 12:43:35 | Woody Stallings | M | 36 | TX | 01/05/08 | 100 | . | 2 | . | . | 2 | 200 |
| 128 | 3:31:29 | Jazzy Stallworth | F | 46 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 90 | 3:40:59 | Liz Stamey | F | 43 | TX | 01/13/07 | 25 | . | . | 1 | 1 | 2 | 75 |
| 55 | 6:11:18 | Darren Stanford | M | 44 | AL | 01/09/10 | 50 | . | . | 2 | . | 2 | 100 |
| 22 | 6:30:37 | Darren Stanford | M | 42 | TX | 01/05/08 | 50 | . | . | 2 | . | 2 | 100 |
| 237 | 5:55:30 | Renee Stanley | F | 53 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 74 | 5:55:20 | Renee Stanley | F | 47 | TX | 01/11/03 | 25 | . | . | . | 2 | 2 | 50 |
| 116 | 4:28:03 | Mark Staples | M | 34 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 205 | 4:12:55 | John Stapleton | M | 50 | OK | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 46 | 2:49:56 | Britt Starnes | M | 45 | TX | 01/07/06 | 25 | . | . | 2 | 1 | 3 | 125 |
| 9 | 6:11:47 | Britt Starnes | M | 43 | TX | 01/10/04 | 50 | . | . | 2 | 1 | 3 | 125 |
| 9 | 5:08:42 | Britt Starnes | M | 42 | TX | 01/11/03 | 50 | . | . | 2 | 1 | 3 | 125 |
| 28 | 6:30:05 | Tammi Starnes | F | 41 | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 78 | 9:40:24 | Dana Stasey | F | 45 | TX | 01/13/07 | 50 | . | . | 2 | . | 2 | 100 |
| 96 | 10:28:50 | Dana Stasey | F | 44 | TX | 01/07/06 | 50 | . | . | 2 | . | 2 | 100 |
| 51 | 18:07:06 | Eric Steele | M | 41 | KS | 01/13/07 | 100 | . | 1 | . | . | 1 | 100 |
| 105 | 4:07:07 | Bob Steger | M | 47 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 28 | 2:43:08 | Anna Stepan | F | 26 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 45 | 5:57:22 | Josue Stephens | M | 29 | TX | 01/09/10 | 50 | . | 1 | 2 | . | 3 | 200 |
| 125 | 4:58:46 | Josue Stephens | M | 28 | TX | 01/10/09 | 50 | dnf100km | 1 | 2 | . | 3 | 200 |
| 1 | 11:07:44 | Josue Stephens | M | 27 | TX | 01/05/08 | 100 | . | 1 | 2 | . | 3 | 200 |
| 170 | 3:55:51 | Vicky Stephens | F | 53 | TX | 01/09/10 | 25 | . | . | 1 | 1 | 2 | 75 |
| 100 | 8:06:32 | Vicky Stephens | F | 52 | TX | 01/10/09 | 50 | . | . | 1 | 1 | 2 | 75 |
| 81 | 3:07:42 | Graham Stewart | M | 38 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 101 | 7:04:59 | Stephanie Stewart | F | 29 | AR | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| . | 7:49:43 | Wylie Stice | M | 40 | TX | 01/05/08 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 112 | 9:41:40 | Eric Stommel | M | 34 | TX | 01/08/05 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 11 | 5:49:39 | Bill Stone | M | 40 | TX | 01/08/05 | 50 | . | . | 2 | . | 2 | 100 |
| 7 | 6:05:47 | Bill Stone | M | 39 | TX | 01/10/04 | 50 | . | . | 2 | . | 2 | 100 |
| 44 | 3:25:33 | Sherry Stone | F | 48 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 6 | 2:22:37 | Kurt Stonecipher | M | 32 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 51 | 9:52:35 | John Stowers | M | 74 | MS | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 56 | 7:36:15 | Tom Streety | M | 49 | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 136 | 8:07:51 | Cris Strong | F | 46 | TX | 01/09/10 | 50 | . | . | 3 | . | 3 | 150 |
| 75 | 7:08:18 | Cris Strong | F | 45 | TX | 01/10/09 | 50 | . | . | 3 | . | 3 | 150 |
| 63 | 8:17:57 | Cris Strong | F | 43 | TX | 01/13/07 | 50 | . | . | 3 | . | 3 | 150 |
| 80 | 2:54:48 | Michael Strong | M | 47 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 74 | 7:07:21 | Nicole Strong | F | 43 | AZ | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 26 | 6:44:06 | Jenia Strudell | F | 34 | TX | 01/08/05 | 50 | . | . | 1 | 1 | 2 | 75 |
| 50 | 3:47:52 | Jenia Strudell | F | 32 | TX | 01/11/03 | 25 | . | . | 1 | 1 | 2 | 75 |
| 57 | 4:01:45 | David Stump | M | 47 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 93 | 3:12:53 | Ed Sturm | M | 48 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 70 | 16:14:25 | Elaine Stypula | F | 44 | MI | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 18 | 2:41:56 | Sid Subramanian | M | 37 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 46 | 6:29:08 | Dale Suderman | M | 35 | TX | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 210 | 4:38:13 | Amy Sugeno | F | 38 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 104 | 4:06:00 | Jill Sulak | F | 30 | TX | 01/08/05 | 25 | . | . | . | 2 | 2 | 50 |
| 68 | 4:46:22 | Jill Sulak | F | 28 | TX | 01/11/03 | 25 | . | . | . | 2 | 2 | 50 |
| 22 | 5:54:38 | Joe Sulak | M | 31 | TX | 01/11/03 | 50 | . | . | 1 | . | 1 | 50 |
| 54 | 8:02:10 | Dianna Sulser | F | 51 | TX | 01/05/08 | 50 | . | . | 1 | 1 | 2 | 75 |
| 36 | 3:04:47 | Dianna Sulser | F | 50 | TX | 01/13/07 | 25 | . | . | 1 | 1 | 2 | 75 |
| 8 | 2:19:48 | Scott Sutherlan | M | 35 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 28 | 2:28:06 | Scott Sutherland | M | 36 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 150 | 5:24:24 | Kenneth Sutton | M | 53 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 146 | 5:05:16 | Kerrie Sutton | F | 51 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 228 | 5:18:32 | Jane Svehlak | F | 46 | TX | 01/09/10 | 25 | . | . | 2 | 3 | 5 | 175 |
| 137 | 4:23:16 | Jane Svehlak | F | 44 | TX | 01/05/08 | 25 | . | . | 2 | 3 | 5 | 175 |
| 146 | 5:07:38 | Jane Svehlak | F | 43 | TX | 01/13/07 | 25 | . | . | 2 | 3 | 5 | 175 |
| 95 | 9:58:30 | Jane Svehlak | F | 42 | TX | 01/07/06 | 50 | . | . | 2 | 3 | 5 | 175 |
| 78 | 9:58:59 | Jane Svehlak | F | 40 | TX | 01/08/05 | 50 | . | . | 2 | 3 | 5 | 175 |
| 16 | 2:29:53 | Chuck Swallow | M | 43 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 104 | 7:17:39 | Jim Sweatt | M | 50 | TX | 01/07/06 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 13 | 2:28:18 | Eddie Sykes | M | 29 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 39 | 7:30:57 | Stan Szafran | M | 32 | TX | 01/08/05 | 50 | . | . | 1 | . | 1 | 50 |
| 85 | 12:24:05 | Lee Talbert | F | 58 | TX | 01/08/05 | 50 | . | . | 1 | 1 | 2 | 75 |
| 68 | 5:35:20 | Lee Talbert | F | 57 | TX | 01/10/04 | 25 | . | . | 1 | 1 | 2 | 75 |
| 82 | 3:39:03 | Laura Talley | F | 20 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 95 | 3:44:59 | Leslie Talley | F | 26 | TX | 01/07/06 | 25 | . | . | . | 2 | 2 | 50 |
| 90 | 3:44:02 | Leslie Talley | F | 25 | TX | 01/08/05 | 25 | . | . | . | 2 | 2 | 50 |
| 65 | 3:04:45 | Lindsay Talley | F | 23 | TX | 01/07/06 | 25 | . | . | . | 2 | 2 | 50 |
| 57 | 3:16:00 | Lindsay Talley | F | 22 | TX | 01/08/05 | 25 | . | . | . | 2 | 2 | 50 |
| 24 | 5:26:11 | Joe Tammaro | M | 46 | TX | 01/09/10 | 50 | . | . | 1 | 1 | 2 | 75 |
| 21 | 2:23:43 | Joe Tammaro | M | 42 | TX | 01/07/06 | 25 | . | . | 1 | 1 | 2 | 75 |
| 8 | 12:14:28 | Mark Tamminga | M | 45 | ONT | 01/10/04 | 100 | . | 1 | . | . | 1 | 100 |
| 60 | 15:20:33 | Steve Tanio | M | 48 | OK | 01/10/09 | 100 | . | 1 | . | . | 1 | 100 |
| 100 | 3:14:32 | Alan Tanner | M | 43 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 62 | 2:48:41 | Brian Taylor | M | 33 | CO | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 66 | 6:24:10 | Hal Taylor | M | 44 | TX | 01/09/10 | 50 | . | . | 4 | . | 4 | 200 |
| 19 | 5:41:01 | Hal Taylor | M | 43 | TX | 01/10/09 | 50 | . | . | 4 | . | 4 | 200 |
| 8 | 5:26:56 | Hal Taylor | M | 42 | TX | 01/05/08 | 50 | . | . | 4 | . | 4 | 200 |
| 28 | 6:49:07 | Hal Taylor | M | 41 | TX | 01/13/07 | 50 | . | . | 4 | . | 4 | 200 |
| 226 | 4:58:43 | Karyn Taylor | F | 38 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 66 | 8:10:00 | Trey Taylor | M | 33 | TX | 01/11/03 | 50 | dnf100km | . | 1 | . | 1 | 50 |
| 31 | 13:21:55 | Wade Taylor | M | 37 | Canada | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 29 | 13:44:51 | Buddy Teaster | M | 44 | TX | 01/10/09 | 100 | . | 1 | 1 | . | 2 | 150 |
| 12 | 5:44:14 | Buddy Teaster | M | 41 | TX | 01/07/06 | 50 | . | 1 | 1 | . | 2 | 150 |
| 10 | 0:14:07 | Laura Macie Teaster | F | 6 | TX | 01/10/09 | 1 | . | . | . | . | 0 | 0 |
| 12 | 0:14:45 | Taylor Teaster | F | 12 | TX | 01/10/09 | 1 | . | . | . | . | 0 | 0 |
| 60 | 6:50:13 | Larry Teeter | M | 49 | TX | 01/10/09 | 50 | . | 1 | 3 | . | 4 | 250 |
| . | 6:47:34 | Larry Teeter | M | 48 | TX | 01/05/08 | 50 | dnf100km | 1 | 3 | . | 4 | 250 |
| 14 | 14:25:31 | Larry Teeter | M | 47 | TX | 01/13/07 | 100 | . | 1 | 3 | . | 4 | 250 |
| 25 | 7:03:22 | Larry Teeter | M | 44 | TX | 01/10/04 | 50 | . | 1 | 3 | . | 4 | 250 |
| 7 | 12:32:27 | Jon Teisher | M | 30 | TX | 01/07/06 | 100 | . | 1 | . | 1 | 2 | 125 |
| 16 | 2:27:06 | Jon Teisher | M | 29 | TX | 01/08/05 | 25 | . | 1 | . | 1 | 2 | 125 |
| 79 | 7:18:13 | Louie Telles | M | 48 | NM | 01/10/09 | 50 | . | . | 1 | . | 1 | 50 |
| 140 | 4:47:59 | Venkatesh Tenuku | M | 30 | TX | 01/05/08 | 25 | . | . | . | 1 | 1 | 25 |
| 13 | 5:04:54 | Meredith Terranova | F | 35 | TX | 01/09/10 | 50 | . | . | 6 | 2 | 8 | 350 |
| 11 | 5:14:41 | Meredith Terranova | F | 35 | TX | 01/10/09 | 50 | . | . | 6 | 2 | 8 | 350 |
| 9 | 5:47:53 | Meredith Terranova | F | 33 | TX | 01/05/08 | 50 | . | . | 6 | 2 | 8 | 350 |
| 27 | 2:52:18 | Meredith Terranova | F | 32 | TX | 01/13/07 | 25 | . | . | 6 | 2 | 8 | 350 |
| 27 | 2:33:45 | Meredith Terranova | F | 31 | TX | 01/07/06 | 25 | . | . | 6 | 2 | 8 | 350 |
| 92 | 6:39:08 | Meredith Terranova | F | 30 | TX | 01/08/05 | 50 | dnf100km | . | 6 | 2 | 8 | 350 |
| 35 | 7:40:35 | Meredith Terranova | F | 29 | TX | 01/10/04 | 50 | . | . | 6 | 2 | 8 | 350 |
| 27 | 6:42:20 | Meredith Terranova | F | 28 | TX | 01/11/03 | 50 | . | . | 6 | 2 | 8 | 350 |
| 2 | 4:14:31 | Paul Terranova | M | 36 | TX | 01/09/10 | 50 | . | . | 2 | 2 | 4 | 150 |
| 4 | 1:55:43 | Paul Terranova | M | 35 | TX | 01/10/09 | 25 | . | . | 2 | 2 | 4 | 150 |
| 1 | 4:11:18 | Paul Terranova | M | 33 | TX | 01/13/07 | 50 | . | . | 2 | 2 | 4 | 150 |
| 2 | 1:53:01 | Paul Terranova | M | 32 | TX | 01/07/06 | 25 | . | . | 2 | 2 | 4 | 150 |
| 40 | 2:43:44 | Stephanie Terrell | F | 25 | TX | 01/07/06 | 25 | . | . | 1 | 1 | 2 | 75 |
| 8 | 6:11:40 | Stephanie Terrell | F | 23 | TX | 01/10/04 | 50 | . | . | 1 | 1 | 2 | 75 |
| 1 | 1:58:03 | David Terris | M | 41 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 35 | 2:32:35 | Paul Thibodeaux | M | 50 | TX | 01/10/09 | 25 | . | . | . | 4 | 4 | 100 |
| 14 | 2:28:33 | Paul Thibodeaux | M | 49 | TX | 01/05/08 | 25 | . | . | . | 4 | 4 | 100 |
| 50 | 2:53:58 | Paul Thibodeaux | M | 47 | TX | 01/07/06 | 25 | . | . | . | 4 | 4 | 100 |
| 35 | 2:53:11 | Paul Thibodeaux | M | 46 | TX | 01/08/05 | 25 | . | . | . | 4 | 4 | 100 |
| 183 | 4:08:54 | Char Thompson | F | 53 | TX | 01/09/10 | 25 | . | . | 1 | 5 | 6 | 175 |
| 214 | 4:20:56 | Char Thompson | F | 52 | TX | 01/10/09 | 25 | . | . | 1 | 5 | 6 | 175 |
| 67 | 8:38:56 | Char Thompson | F | 51 | TX | 01/05/08 | 50 | . | . | 1 | 5 | 6 | 175 |
| 73 | 8:49:13 | Char Thompson | F | 50 | TX | 01/13/07 | 50 | . | . | 1 | 5 | 6 | 175 |
| 108 | 4:21:50 | Char Thompson | F | 49 | TX | 01/07/06 | 25 | . | . | 1 | 5 | 6 | 175 |
| 51 | 3:51:17 | Char Thompson | F | 47 | LA | 01/10/04 | 25 | . | . | 1 | 5 | 6 | 175 |
| 129 | 7:32:54 | Fred Thompson | M | 61 | TX | 01/09/10 | 50 | dnf100km | 4 | 2 | 1 | 7 | 525 |
| 88 | 16:42:38 | Fred Thompson | M | 60 | TX | 01/10/09 | 100 | . | 4 | 2 | 1 | 7 | 525 |
| 40 | 15:38:48 | Fred Thompson | M | 58 | TX | 01/05/08 | 100 | . | 4 | 2 | 1 | 7 | 525 |
| 39 | 16:43:23 | Fred Thompson | M | 58 | TX | 01/13/07 | 100 | . | 4 | 2 | 1 | 7 | 525 |
| 18 | 6:03:49 | Fred Thompson | M | 57 | TX | 01/07/06 | 50 | . | 4 | 2 | 1 | 7 | 525 |
| 13 | 5:53:48 | Fred Thompson | M | 56 | TX | 01/08/05 | 50 | . | 4 | 2 | 1 | 7 | 525 |
| 15 | 2:34:18 | Fred Thompson | M | 54 | LA | 01/10/04 | 25 | . | 4 | 2 | 1 | 7 | 525 |
| 52 | 2:55:34 | James Thompson | M | 37 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 8 | 2:24:57 | Larry Thompson | M | 49 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 107 | 7:18:40 | Rondi Thornton | F | 59 | NM | 01/09/10 | 50 | . | . | 4 | . | 4 | 200 |
| 87 | 7:26:04 | Rondi Thornton | F | 58 | NM | 01/10/09 | 50 | . | . | 4 | . | 4 | 200 |
| 38 | 7:12:37 | Rondi Thornton | F | 57 | NM | 01/05/08 | 50 | . | . | 4 | . | 4 | 200 |
| 47 | 7:37:04 | Rondi Thornton | F | 56 | NM | 01/13/07 | 50 | . | . | 4 | . | 4 | 200 |
| 55 | 2:46:11 | Courtney Timmons | F | 29 | TX | 01/10/09 | 25 | . | . | . | 2 | 2 | 50 |
| 36 | 2:50:12 | Courtney Timmons | F | 28 | TX | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 61 | 4:22:22 | Helen Todora | F | 33 | TX | 01/10/04 | 25 | . | . | . | 1 | 1 | 25 |
| 210 | 4:17:06 | Anthony Toh | M | 40 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 15 | 11:20:40 | Christine Tokarz | F | 33 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 10 | 5:39:17 | Marissa Toland | F | 40 | TX | 01/13/07 | 50 | . | . | 2 | . | 2 | 100 |
| 15 | 6:04:47 | Marissa Toland | F | 38 | TX | 01/08/05 | 50 | . | . | 2 | . | 2 | 100 |
| 22 | 12:13:11 | Drake Tollenaar | M | 40 | OR | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 167 | 9:48:05 | Joe Tollenaar | M | 60 | OR | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 76 | 6:06:56 | Stanley Tomasiak | M | 56 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 160 | 3:33:58 | April Toms | F | 37 | TX | 01/10/09 | 25 | . | . | . | 4 | 4 | 100 |
| 144 | 4:56:18 | April Toms | F | 35 | TX | 01/13/07 | 25 | . | . | . | 4 | 4 | 100 |
| 118 | 4:43:06 | April Toms | F | 34 | TX | 01/07/06 | 25 | . | . | . | 4 | 4 | 100 |
| 121 | 4:45:19 | April Toms | F | 33 | TX | 01/08/05 | 25 | . | . | . | 4 | 4 | 100 |
| 40 | 7:15:34 | Lee Topham | M | 66 | TX | 01/05/08 | 50 | . | . | 3 | . | 3 | 150 |
| 35 | 7:20:15 | Lee Topham | M | 63 | TX | 01/08/05 | 50 | . | . | 3 | . | 3 | 150 |
| 39 | 7:16:09 | Lee Topham | M | 61 | TX | 01/11/03 | 50 | . | . | 3 | . | 3 | 150 |
| 72 | 9:06:25 | Gale Torbett | F | 57 | TX | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 71 | 9:06:25 | Lee Torbett | M | 63 | TX | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 60 | 2:59:40 | Sheila Torres-Blank | F | 42 | TX | 01/09/10 | 25 | . | . | 1 | 5 | 6 | 175 |
| 124 | 3:15:21 | Sheila Torres-Blank | F | 41 | TX | 01/10/09 | 25 | . | . | 1 | 5 | 6 | 175 |
| 76 | 3:08:23 | Sheila Torres-Blank | F | 40 | TX | 01/05/08 | 25 | . | . | 1 | 5 | 6 | 175 |
| 71 | 3:21:40 | Sheila Torres-Blank | F | 39 | TX | 01/13/07 | 25 | . | . | 1 | 5 | 6 | 175 |
| 50 | 7:54:36 | Sheila Torres-Blank | F | 37 | TX | 01/08/05 | 50 | . | . | 1 | 5 | 6 | 175 |
| 33 | 3:01:47 | Sheila Torres-Blank | F | 36 | TX | 01/10/04 | 25 | . | . | 1 | 5 | 6 | 175 |
| 233 | 5:26:33 | Roxanne Toscano | F | 29 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 30 | 2:56:53 | Brent Trammell | M | 43 | TX | 01/11/03 | 25 | . | . | . | 1 | 1 | 25 |
| 23 | 6:32:09 | Bryan Trammell | M | 40 | TX | 01/08/05 | 50 | . | . | 1 | 1 | 2 | 75 |
| 25 | 2:48:58 | Bryan Trammell | M | 38 | TX | 01/11/03 | 25 | . | . | 1 | 1 | 2 | 75 |
| 63 | 3:00:05 | Mary Keith Trawick | F | 36 | TX | 01/09/10 | 25 | . | . | . | 4 | 4 | 100 |
| 90 | 2:59:33 | Mary Keith Trawick | F | 35 | TX | 01/10/09 | 25 | . | . | . | 4 | 4 | 100 |
| 108 | 3:37:06 | Mary Keith Trawick | F | 34 | TX | 01/05/08 | 25 | . | . | . | 4 | 4 | 100 |
| 108 | 3:49:39 | Mary Keith Trawick | F | 33 | TX | 01/13/07 | 25 | . | . | . | 4 | 4 | 100 |
| 59 | 2:59:25 | Leah Treadwell | F | 40 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 78 | 3:38:25 | Tracy Tregenza | F | 33 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 39 | 7:15:02 | Joe Tremblay | M | 36 | TX | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 219 | 4:55:02 | Jon Tremont | M | 45 | TX | 01/09/10 | 25 | . | 2 | 3 | 1 | 6 | 375 |
| 113 | 9:11:13 | Jon Tremont | M | 44 | TX | 01/10/09 | 50 | . | 2 | 3 | 1 | 6 | 375 |
| 73 | 9:10:37 | Jon Tremont | M | 43 | TX | 01/05/08 | 50 | . | 2 | 3 | 1 | 6 | 375 |
| 70 | 22:00:34 | Jon Tremont | M | 42 | TX | 01/13/07 | 100 | . | 2 | 3 | 1 | 6 | 375 |
| 53 | 21:13:07 | Jon Tremont | M | 41 | TX | 01/07/06 | 100 | . | 2 | 3 | 1 | 6 | 375 |
| 76 | 9:46:57 | Jon Tremont | M | 40 | TX | 01/08/05 | 50 | . | 2 | 3 | 1 | 6 | 375 |
| 218 | 4:55:01 | Malissa Tremont | F | 44 | TX | 01/09/10 | 25 | . | 2 | 1 | 2 | 5 | 300 |
| 230 | 5:09:56 | Malissa Tremont | F | 43 | TX | 01/10/09 | 25 | . | 2 | 1 | 2 | 5 | 300 |
| 69 | 22:00:34 | Malissa Tremont | F | 41 | TX | 01/13/07 | 100 | . | 2 | 1 | 2 | 5 | 300 |
| 58 | 21:13:07 | Malissa Tremont | F | 40 | TX | 01/07/06 | 100 | . | 2 | 1 | 2 | 5 | 300 |
| 75 | 9:46:40 | Malissa Tremont | F | 39 | TX | 01/08/05 | 50 | . | 2 | 1 | 2 | 5 | 300 |
| 40 | 6:55:08 | Wendy Trimboli | F | 22 | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 24 | 6:37:25 | Jason Trimm | M | 34 | CO | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 104 | 3:16:12 | Howie Trinh | F | 32 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 89 | 3:23:01 | Monique Tschurr | F | 46 | TX | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 74 | 3:24:34 | Monique Tschurr | F | 45 | Tx | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 189 | 3:53:08 | Pippa Tucker | F | 14 | TX | 01/10/09 | 25 | . | . | . | 1 | 1 | 25 |
| 29 | 6:50:19 | Stephen Turner | M | 35 | TX | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 120 | 3:59:47 | Teresa Turpin | F | 45 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 211 | 4:41:24 | Isabelle Ulfig | F | 49 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 88 | 6:51:49 | Mark Ulfig | M | 53 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 62 | 3:02:52 | Doug Ulman | M | 30 | TX | 01/05/08 | 25 | . | . | . | 2 | 2 | 50 |
| 60 | 3:16:45 | Doug Ulman | M | 29 | TX | 01/13/07 | 25 | . | . | . | 2 | 2 | 50 |
| 118 | 3:23:35 | Jon Umlauf | M | 28 | TX | 01/09/10 | 25 | . | . | 1 | 1 | 2 | 75 |
| 90 | 7:33:52 | Jon Umlauf | M | 27 | TX | 01/10/09 | 50 | . | . | 1 | 1 | 2 | 75 |
| 6 | 2:17:28 | Jeffery Underhill | M | 31 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 111 | 7:25:22 | Laurie Underwood | F | 49 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 42 | 2:48:30 | Carla Uribe | F | 25 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 84 | 9:52:33 | Carol Vail | F | 46 | TX | 01/05/08 | 50 | . | . | 1 | . | 1 | 50 |
| 130 | 7:53:06 | Miguel Valdez | M | 37 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 124 | 7:39:58 | Ryan Valdez | M | 32 | TX | 01/09/10 | 50 | . | 1 | 2 | . | 3 | 200 |
| 89 | 16:47:50 | Ryan Valdez | M | 31 | TX | 01/10/09 | 100 | . | 1 | 2 | . | 3 | 200 |
| 27 | 6:45:12 | Ryan Valdez | M | 30 | TX | 01/05/08 | 50 | . | 1 | 2 | . | 3 | 200 |
| 105 | 20:52:13 | Julian Valencia | M | 34 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 29 | 6:31:39 | Charmaine van Niekerk | F | 49 | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 3 | 4:41:50 | Gerhard van Niekerk | M | 47 | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 120 | 3:25:27 | John Van Pay | M | 36 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 15 | 16:51:21 | Bill VanAntwerp | M | 57 | VA | 01/11/03 | 100 | . | 1 | . | . | 1 | 100 |
| 153 | 3:43:29 | Sue Lynn Vann | F | 30 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 37 | 13:48:30 | Olga Varlamova | F | 40 | TX | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 103 | 8:30:57 | Holly Vaughan | F | 40 | TX | 01/10/09 | 50 | . | . | 3 | . | 3 | 150 |
| 70 | 8:41:30 | Holly Vaughan | F | 40 | TX | 01/13/07 | 50 | . | . | 3 | . | 3 | 150 |
| 92 | 9:50:51 | Holly Vaughan | F | 39 | TX | 01/07/06 | 50 | . | . | 3 | . | 3 | 150 |
| 115 | 7:30:21 | Chris Vaughn | M | 35 | TX | 01/09/10 | 50 | . | . | 1 | . | 1 | 50 |
| 3 | 9:26:50 | Dan Vega | M | 42 | CO | 01/09/10 | 100 | . | 1 | . | . | 1 | 100 |
| 28 | 15:15:14 | Joany Verschuuren | M | 40 | ONT | 01/10/04 | 100 | . | 1 | . | . | 1 | 100 |
| 134 | 6:59:48 | Erna Victorian | F | 38 | TX | 01/08/05 | 25 | . | . | . | 1 | 1 | 25 |
| 143 | 10:06:04 | Luis Vielma | M | 42 | TX | 01/09/10 | 50 | dnf100km | . | 2 | 1 | 3 | 125 |
| 135 | 7:31:36 | Luis Vielma | M | 41 | TX | 01/10/09 | 50 | dnf100km | . | 2 | 1 | 3 | 125 |
| 104 | 3:46:39 | Luis Vielma | M | 39 | TX | 01/13/07 | 25 | . | . | 2 | 1 | 3 | 125 |
| 62 | 7:58:01 | Richard Viktorin | M | 51 | TX | 01/07/06 | 50 | . | . | 1 | . | 1 | 50 |
| 6 | 0:11:24 | Edwin Vile | M | 7 | TX | 01/10/09 | 1 | . | . | . | . | 0 | 0 |
| 2 | 0:08:59 | Lillian Vile | F | 8 | TX | 01/10/09 | 1 | . | . | . | . | 0 | 0 |
| 7 | 0:11:55 | Suel Vile | M | 6 | TX | 01/10/09 | 1 | . | . | . | . | 0 | 0 |
| 44 | 14:39:53 | Rene Villalobos | M | 51 | TX | 01/09/10 | 100 | . | 5 | . | . | 5 | 500 |
| 50 | 14:38:52 | Rene Villalobos | M | 50 | TX | 01/10/09 | 100 | . | 5 | . | . | 5 | 500 |
| 11 | 14:11:22 | Rene Villalobos | M | 48 | TX | 01/13/07 | 100 | . | 5 | . | . | 5 | 500 |
| 38 | 16:21:14 | Rene Villalobos | M | 47 | TX | 01/07/06 | 100 | . | 5 | . | . | 5 | 500 |
| 31 | 18:21:38 | Rene Villalobos | M | 46 | TX | 01/08/05 | 100 | . | 5 | . | . | 5 | 500 |
| 29 | 6:01:11 | Kristoffer Villamin | M | 30 | TX | 01/10/09 | 50 | . | . | 4 | . | 4 | 200 |
| 24 | 6:20:03 | Kristoffer Villamin | M | 27 | TX | 01/07/06 | 50 | . | . | 4 | . | 4 | 200 |
| 18 | 6:14:24 | Kristoffer Villamin | M | 26 | TX | 01/08/05 | 50 | . | . | 4 | . | 4 | 200 |
| 11 | 6:22:17 | Kristoffer Villamin | M | 25 | TX | 01/10/04 | 50 | . | . | 4 | . | 4 | 200 |
| 36 | 2:47:30 | Roberto Villarreal | M | 22 | TX | 01/09/10 | 25 | . | . | . | 1 | 1 | 25 |
| 86 | 3:39:26 | Viswanath Vinold | M | 31 | TX | 01/13/07 | 25 | . | . | . | 1 | 1 | 25 |
| 34 | 20:08:08 | Mary Vish | F | 55 | NJ | 01/08/05 | 100 | . | 1 | 1 | . | 2 | 150 |