Owasso, OK
| Rank | Year | Name | Category | Time |
|---|---|---|---|---|
| 1 | 2019 | Brian Copsey | M 30-39 | 9:37:34 |
| 2 | 2019 | Susan Roets | F 50-59 | 9:42:27 |
| 3 | 2018 | Michael Carella | M 20-29 | 11:10:33 |
| 4 | 2020 | Peter Lewis | M 40-49 | 11:10:45 |
| 5 | 2020 | Ben Mewis | M 40-49 | 12:44:29 |
| 6 | 2020 | Darrell Bowen | M 40-49 | 14:36:46 |
| 7 | 2019 | David Blaylock | M 70 + | 17:10:56 |
| 8 | 2018 | Andrew Aguirre | M 30-39 | 18:28:16 |
| 9 | 2019 | Brian Joachims | M 50-59 | 24:58:00 |
| 10 | 2018 | Elizabeth Gray | F 40-49 | 29:56:03 |
| 11 | 2020 | Brian Scantlin | M 40-49 | 37:04:55 |
