Nathan Nelson has 5 recorded races from Aspen, Colorado, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2023-07-28 | 2023 Stages Cycling Leadville Stage Race Stage Race Solo - 3 Day Totals | Ultra Marathon | 7:22:50 | 18 |
| 2023-07-28 | 2023 Stages Cycling Leadville Stage Race Day 1 - 40 Miles | Ultra Marathon | 2:36:44 | 23 |
| 2023-07-28 | 2023 Stages Cycling Leadville Stage Race Day 2 - 20 Miles | 1:56:21 | 15 | |
| 2023-07-28 | 2023 Stages Cycling Leadville Stage Race Day 3 - 40 Miles | Ultra Marathon | 2:49:45 | 21 |
| 2023-07-28 | 2023 Stages Cycling Leadville Stage Race Days 1 and 2 Totals | Ultra Marathon | 4:33:05 | 19 |