John Bowser has 4 recorded races from Braintree, Massachusetts, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2024-10-12 | SouthCoast Wind Cape Cod Marathon Weekend | 4:28:22 | 598 | |
| TCS London Marathon 2025 | Marathon | 4:23:49 | 25034 | |
| TCS London Marathon 2023 | Marathon | 3:55:09 | 16279 | |
| TCS London Marathon 2022 | Marathon | 4:12:08 | 15657 |