Nicholas Altenhofen has 6 recorded races from Boulder, CO.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-09-28 | Boulderthon Marathon | Marathon | 5:48:02 | 1796 |
| 2025-06-13 | Vacation Races | Yellowstone Half & 5K Half Marathon | Half Marathon | 2:03:35 | 137 |
| 2025-06-13 | Vacation Races | Yellowstone Half & 5K | 5K | 25:11 | 44 |
| 2025-06-06 | Vacation Races | Grand Teton Half & 5K Half Marathon | Half Marathon | 2:01:41 | 250 |
| 2025-06-06 | Vacation Races | Grand Teton Half & 5K | 5K | 35:00 | 29 |
| 2025-03-01 | Vacation Races | Zion Half Marathon | Half Marathon | 2:19:01 | 404 |