Harry Chapman has 4 recorded races from Cambridge, Massachusetts, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-10-11 | Cape Cod Marathon Weekend Events Half Marathon | 1:50:06 | 327 | |
| 2024-10-12 | SouthCoast Wind Cape Cod Marathon Weekend Half Marathon | 1:56:35 | 370 | |
| TCS London Marathon 2026 | Marathon | 3:46:59 | 15213 | |
| TCS London Marathon 2024 | Marathon | 3:43:30 | 14377 |