William Seo has 3 recorded races from White Plains, NY, USA.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2022-07-20 | XMAS in July an event in the Lighthouse 5k Series | 5K | 27:41 | 119 |
| 2018-11-04 | TCS New York City Marathon 2018 | Marathon | 4:45:20 | 31258 |
| 2018-01-01 | 2017 NYRR Midnight Run | 36:51 | 782 |