Mark Hirayama has 2 recorded races from Mercer Island, WA, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2023-06-04 | 2023 Rock 'n' Roll San Diego Half Marathon | Half Marathon | 2:17:53 | 6945 |
| 2022-06-05 | 2022 Rock 'n' Roll San Diego Half Marathon | Half Marathon | 2:07:41 | 3796 |