Oklahoma City, OK
| Rank | Year | Name | Category | Time |
|---|---|---|---|---|
| 1 | 2021 | William Kent | M 30-39 | 3:24:35 |
| 2 | 2021 | Nick Thorp | M 30-39 | 3:32:44 |
| 3 | 2021 | Danny Ponder | M 60-69 | 5:15:04 |
| 4 | 2021 | Kim Abel | F 30-39 | 5:20:26 |
| 5 | 2021 | Ben Yost | M 30-39 | 5:29:59 |
| 6 | 2021 | Matthew Farber | M 30-39 | 5:32:09 |
| 7 | 2021 | Shelli Courtney | F 40-49 | 5:41:59 |
| 8 | 2021 | Sarah Luthman | F 30-39 | 5:44:17 |
| 9 | 2021 | Cody Nelson | M 20-29 | 5:48:40 |
| 10 | 2021 | Brannon Hebert | M 40-49 | 5:54:55 |
| 11 | 2021 | Amy Poindexter | F 30-39 | 5:55:47 |
| 12 | 2021 | Trevor Elliott | M 30-39 | 5:57:10 |
| 13 | 2021 | Alex Jennings | F 30-39 | 6:05:55 |
| 14 | 2021 | Steven Anderson | M 50-59 | 6:14:04 |
| 15 | 2021 | Scott Green | M 30-39 | 6:21:09 |
| 16 | 2021 | Tyler Green | M 30-39 | 6:21:10 |
| 17 | 2021 | Adam Luck | M 30-39 | 6:21:31 |
| 18 | 2021 | Shonda Jay | F 40-49 | 6:32:47 |
| 19 | 2021 | Stephen Oertel | M 30-39 | 6:32:47 |
| 20 | 2021 | Monica Hebert | F 30-39 | 6:38:05 |
| 21 | 2021 | Kenneth Blake | M 20-29 | 6:55:18 |
| 22 | 2021 | Stephen Abernathy | M 50-59 | 6:55:34 |
| 23 | 2021 | Greg Gerardy | M 50-59 | 6:56:51 |
| 24 | 2021 | Anhthu Vo | F 50-59 | 6:58:51 |
| 25 | 2021 | Kelcie Burks | F 30-39 | 7:02:04 |
| 26 | 2021 | Thuy Ta | F 40-49 | 7:02:50 |
| 27 | 2021 | Leon Curry | M 60-69 | 7:02:52 |
| 28 | 2021 | Mark Armstrong | M 60-69 | 7:06:15 |
