Sean Brennan has 4 recorded races from WA.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-07-25 | Run Super Series | Jack and Jill Downhill Marathon Marathon Saturday | Marathon | 3:59:37 | 304 |
| 2026-03-16 | St. Patrick's Day Dash 5K | 5K | 21:46 | 115 |
| 2025-03-16 | St. Patrick's Day Dash 5K | 5K | 28:32 | 632 |
| 2024-03-17 | St. Patrick's Day Dash 5K | 5K | 20:29 | 92 |