Taehwan Seo has 2 recorded races from Seattle, WA.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-06-27 | Seattle Marathon | Summer Events Half Marathon | Half Marathon | 2:05:45 | 432 |
| 2024-12-01 | 2024 UW Medicine Seattle Marathon and Half Marathon | Half Marathon | 2:20:41 | 2462 |