Justin Sison has 2 recorded races from Seattle, WA.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-11-30 | UW Medicine Seattle Marathon and Half Marathon | Half Marathon | 1:51:40 | 1017 |
| 2024-12-01 | 2024 UW Medicine Seattle Marathon and Half Marathon | Half Marathon | 1:50:46 | 756 |