| Female 25km Age Records | ||||||
| age | time | fname lname | st | year | distance | |
| 12 | 3:09:21 | Megan Curiel | F | TX | 01/13/07 | 25km |
| 13 | . | . | . | . | . | . |
| 14 | 3:53:08 | Pippa Tucker | F | TX | 01/10/09 | 25km |
| 15 | 3:34:42 | Erin Cambridge | F | TX | 01/10/09 | 25km |
| 16 | . | . | . | . | . | . |
| 17 | . | . | . | . | . | . |
| 18 | 3:51:39 | Annalaura Scandrett | F | MN | 01/10/04 | 25km |
| 19 | 3:00:55 | Amanda Angel-Chun | F | TX | 01/09/10 | 25km |
| 20 | 3:10:17 | Betsy Cummings | F | TX | 01/13/07 | 25km |
| 21 | 4:03:31 | Courtney Waal | F | TX | 01/07/06 | 25km |
| 22 | 2:50:55 | Cathleen Catlin | F | TX | 01/10/04 | 25km |
| 23 | 2:42:36 | Crystal Deaner | F | TX | 01/09/10 | 25km |
| 24 | 2:19:21 | Kelli Newlon | F | TX | 01/07/06 | 25km |
| 25 | 2:21:06 | Jo Gregory | F | TX | 01/10/09 | 25km |
| 26 | 2:43:08 | Anna Stepan | F | TX | 01/05/08 | 25km |
| 27 | 2:22:14 | Kelli Newlon | F | TX | 01/10/09 | 25km |
| 28 | 2:21:49 | Cynthia Henges | F | TX | 01/07/06 | 25km |
| 29 | 2:21:53 | Josie Minks | F | TX | 01/10/09 | 25km |
| 30 | 2:42:59 | Joleen Kinzer | F | TX | 01/09/10 | 25km |
| 31 | 2:17:05 | Machelle Cochran | F | TX | 01/10/04 | 25km |
| 32 | 2:29:55 | Tereza Macel | F | Ontario | 01/13/07 | 25km |
| 33 | 2:27:05 | Clea Czysz | F | TX | 01/07/06 | 25km |
| 34 | 2:33:01 | Marla Wilen | F | TX | 01/10/09 | 25km |
| 35 | 2:30:32 | Shan Rooney | F | TX | 01/05/08 | 25km |
| 36 | 2:34:56 | Ruth England | F | TX | 01/11/03 | 25km |
| 37 | 2:26:15 | Joni Moore | F | TX | 01/10/04 | 25km |
| 38 | 2:27:54 | Shannon Walsch | F | TX | 01/11/03 | 25km |
| 39 | 2:15:15 | Shannon Cutting | F | TX | 01/10/04 | 25km |
| 40 | 2:43:14 | Karen Olsen | F | TX | 01/10/04 | 25km |
| 41 | 3:01:26 | Elizabeth Wills | F | TX | 01/05/08 | 25km |
| 42 | 2:26:21 | Jennifer McRae | F | TX | 01/09/10 | 25km |
| 43 | 2:56:18 | Elizabeth Black-Wills | F | TX | 01/09/10 | 25km |
| 44 | 2:48:30 | Frannie Graves | F | NH | 01/09/10 | 25km |
| 45 | 2:32:17 | Amanda McIntosh | F | TX | 01/09/10 | 25km |
| 46 | 2:38:44 | Nancy Germond | F | TX | 01/10/09 | 25km |
| 47 | 2:45:05 | Nancy Germond | F | TX | 01/09/10 | 25km |
| 48 | 2:40:16 | Zetta Young | F | TX | 01/07/06 | 25km |
| 49 | 3:05:01 | Julia Wolffe | F | TX | 01/10/09 | 25km |
| 50 | 3:04:47 | Dianna Sulser | F | TX | 01/13/07 | 25km |
| 51 | 3:15:46 | Tammy Hovik | F | TX | 01/09/10 | 25km |
| 52 | 3:00:26 | Claire Secker | F | TX | 01/05/08 | 25km |
| 53 | 3:43:54 | Linda Boggs | F | TX | 01/07/06 | 25km |
| 54 | 3:19:56 | Gayla Harris | F | TX | 01/10/04 | 25km |
| 55 | 4:10:27 | Sue Caldwell | F | TX | 01/08/05 | 25km |
| 56 | . | . | . | . | . | . |
| 57 | 4:24:29 | Joyce Baumann | F | TX | 01/09/10 | 25km |
| 58 | 3:09:51 | Catherine Clark | F | TX | 01/08/05 | 25km |
| 59 | 4:19:28 | Eva Sanders | F | TX | 01/10/09 | 25km |
| 60 | 5:17:25 | Jean Hoepfel | F | TX | 01/05/08 | 25km |
| 61 | . | . | . | . | . | . |
| 62 | . | . | . | . | . | . |
| 63 | . | . | . | . | . | . |
| 64 | 4:37:39 | Jo Clugg | F | CO | 01/07/06 | 25km |
| 65 | . | . | . | . | . | . |
| 66 | . | . | . | . | . | . |
| 67 | . | . | . | . | . | . |
| 68 | . | . | . | . | . | . |
| 69 | . | . | . | . | . | . |
| 70 | . | . | . | . | . | . |
| 71 | . | . | . | . | . | . |
| Male 25km Age Records | ||||||
| age | time | fname lname | st | year | distance | |
| 12 | 2:50:15 | Alex Gordon | NM | 01/05/08 | 25km | |
| 13 | 3:29:05 | Josh Gordon | NM | 01/13/07 | 25km | |
| 14 | 2:21:51 | Alex Gordon | NM | 01/10/09 | 25km | |
| 15 | 2:17:57 | Alex Gordon | NM | 01/09/10 | 25km | |
| 16 | 2:13:44 | Josh Gordon | NM | 01/09/10 | 25km | |
| 17 | 2:28:20 | Alonso Quiroga | TX | 01/10/09 | 25km | |
| 18 | 3:09:58 | Christopher Lopez | TX | 01/09/10 | 25km | |
| 19 | 2:02:49 | Scott Barrows | TX | 01/11/03 | 25km | |
| 20 | 3:37:14 | Jeremy Golding | ME | 01/13/07 | 25km | |
| 21 | 2:18:31 | Justen Aguillon | TX | 01/09/10 | 25km | |
| 22 | 2:47:30 | Roberto Villarreal | TX | 01/09/10 | 25km | |
| 23 | 2:38:22 | Samuel Spector | TX | 01/10/09 | 25km | |
| 24 | 2:19:21 | Edward Montgomery | TX | 01/10/09 | 25km | |
| 25 | 2:24:04 | Andy Fenack | TX | 01/08/05 | 25km | |
| 26 | 1:45:20 | James Bales | TX | 01/07/06 | 25km | |
| 27 | 1:56:03 | James Bales | TX | 01/13/07 | 25km | |
| 28 | 1:55:10 | Greg Maschal | TX | 01/10/09 | 25km | |
| 29 | 1:50:20 | James Bales | TX | 01/10/09 | 25km | |
| 30 | 1:52:31 | Robert Michell | TX | 01/09/10 | 25km | |
| 31 | 2:00:24 | Rich Yavorsky | TX | 01/05/08 | 25km | |
| 32 | 1:53:01 | Paul Terranova | TX | 01/07/06 | 25km | |
| 33 | 1:59:59 | Arthur Mathisen | TX | 01/08/05 | 25km | |
| 34 | 2:03:15 | Jamie Cleveland | TX | 01/13/07 | 25km | |
| 35 | 1:55:43 | Paul Terranova | TX | 01/10/09 | 25km | |
| 36 | 2:20:35 | Charles Bisontz | TX | 01/10/04 | 25km | |
| 37 | 2:04:09 | Matt Harrington | TX | 01/08/05 | 25km | |
| 38 | 2:16:32 | Lane Seymour | TX | 01/07/06 | 25km | |
| 39 | 2:11:47 | Glenn Bugay | TX | 01/07/06 | 25km | |
| 40 | 1:58:41 | John Beard | TX | 01/10/09 | 25km | |
| 41 | 1:57:11 | Sean Lewis | TX | 01/10/09 | 25km | |
| 42 | 1:53:53 | Patrick Darragh | TX | 01/07/06 | 25km | |
| 43 | 2:04:57 | Kent Snead | TX | 01/05/08 | 25km | |
| 44 | 2:14:54 | Gerald Fincken | TX | 01/09/10 | 25km | |
| 45 | 2:21:52 | Steve Allen | TX | 01/10/04 | 25km | |
| 46 | 2:17:42 | Steve Allen | TX | 01/08/05 | 25km | |
| 47 | 2:13:31 | Steve Allen | TX | 01/07/06 | 25km | |
| 48 | 2:26:50 | Jamey Plunk | TX | 01/09/10 | 25km | |
| 49 | 2:24:57 | Larry Thompson | TX | 01/11/03 | 25km | |
| 50 | 2:25:47 | Bob Wallace | TX | 01/11/03 | 25km | |
| 51 | 2:47:54 | Robert Berger | TX | 01/05/08 | 25km | |
| 52 | 2:29:27 | Michael Buonaugurio | TX | 01/05/08 | 25km | |
| 53 | 2:47:36 | Stephen Frederick | TX | 01/10/09 | 25km | |
| 54 | 2:32:53 | Richard Averett | CA | 01/13/07 | 25km | |
| 55 | 3:08:28 | Alan Garms | TX | 01/09/10 | 25km | |
| 56 | 2:38:03 | Doug Gimenez | TX | 01/05/08 | 25km | |
| 57 | 3:14:38 | Robert Harris | TX | 01/07/06 | 25km | |
| 58 | 3:14:38 | Bill Sleep | TX | 01/07/06 | 25km | |
| 59 | 3:25:12 | Bill Sleep | TX | 01/13/07 | 25km | |
| 60 | 3:10:45 | Weldon Glockzin | TX | 01/10/04 | 25km | |
| 61 | 4:17:06 | Michael Scheffelin | TX | 01/10/09 | 25km | |
| 62 | . | . | . | . | . | |
| 63 | 3:57:24 | Tom Cody | NE | 01/09/10 | 25km | |
| 64 | 2:26:16 | Paul Jensen | TX | 01/05/08 | 25km | |
| 65 | 2:58:01 | Ed Craighead | TX | 01/05/08 | 25km | |
| 66 | 5:15:54 | Alan Engisch | TX | 01/07/06 | 25km | |
| 67 | . | . | . | . | . | |
| 68 | . | . | . | . | . | |
| 69 | 3:39:48 | Ray Nelson | LA | 01/08/05 | 25km | |
| 70 | 5:14:05 | Robert Schofield | ON | 01/11/03 | 25km | |
| 71 | 4:21:27 | Kenneth Burns | MI | 01/13/07 | 25km | |