Britton Marsden has 3 recorded races from Colorado Spring, CO.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-09-21 | Pikes Peak Marathon | Marathon | 6:38:55 | 192 |
| 2025-09-20 | Pikes Peak Ascent Half Marathon | Half Marathon | 3:49:06 | 284 |
| 2024-09-22 | Pikes Peak Marathon | Marathon | 2:49:46 | 202 |