Spencer Mahon has 4 recorded races from Salt Lake City, UT.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-07-24 | Deseret News Marathon 10K | 10K | 33:36 | 52 |
| 2025-02-08 | 2025 Mesa Marathon Half Marathon | Half Marathon | 1:12:57 | 53 |
| 2023-09-30 | Guthrie Wineglass Marathon, Wegmans Wineglass Half Marathon & Storflex Wineglass 5K | 2:39:09 | 7 | |
| 2022-07-04 | Bluegrass 10,000 and Fun Run 10K Run | 33:56 | 8 |