Mason McMahon has 5 recorded races from WA.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-07-25 | Run Super Series | Jack and Jill Downhill Marathon Marathon Saturday | Marathon | 3:56:53 | 286 |
| 2026-03-01 | Publix Atlanta Marathon, Half Marathon & 5K 5K Run | 17:54 | 4 | |
| 2026-03-01 | Publix Atlanta Marathon, Half Marathon & 5K | 3:49:21 | 464 | |
| 2025-08-16 | Atlantas Finest 5K 5K Run | 30:29 | 453 | |
| 2025-03-01 | Publix Atlanta Marathon Weekend | 2:55:26 | 30 |