Boulder, CO
| Rank | Year | Name | Category | Time |
|---|---|---|---|---|
| 1 | 2023 | Andrew Burford | M 20-29 | 5:12:04 |
| 2 | 2023 | Gabriella Brinkley | F 20-29 | 5:31:00 |
| 3 | 2023 | Dan Gump | M 40-49 | 6:13:00 |
| 4 | 2023 | Kevin Lucero | M 30-39 | 6:17:00 |
| 5 | 2023 | Ivan Montes | M 40-49 | 6:31:00 |
| 6 | 2023 | Jasmine Garland | F 20-29 | 6:36:00 |
| 7 | 2023 | Daniel Manimbo | M 30-39 | 7:02:00 |
| 8 | 2023 | Vlad Duta | M 30-39 | 7:07:00 |
| 9 | 2023 | Steve Hernandez | M 50-59 | 7:42:00 |
| 10 | 2023 | Matthew Jezewski | M 30-39 | 7:46:00 |
| 11 | 2023 | Enrique Maldonado | M 50-59 | 8:41:00 |
| 12 | 2023 | Kari Taylor-Romero | F 40-49 | 8:43:00 |
| 13 | 2023 | Jonathan Engelstad | M 50-59 | 8:45:00 |
| 14 | 2023 | Rene Peinado | M 40-49 | 10:06:00 |
| 15 | 2023 | Summer Holeman | F 20-29 | 10:07:00 |
