Mark Nielsen has 3 recorded races from Ogden, UT.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-05-17 | 24th Annual America First Ogden Marathon | Marathon | 3:17:10 | 125 |
| 2024-04-20 | 2024 Salt Lake City Marathon Full Marathon | Marathon | 3:35:13 | 179 |
| 2023-11-18 | Smithfield Turkey Trot 10K | 10K | 45:04 | 12 |