Chris Mcdermott has 3 recorded races from GB.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2022-04-03 | Schneider Electric Marathon de Paris 2022 — Running 42.195 | Marathon | 3:33:11 | 7755 |
| TCS London Marathon 2026 | Marathon | 3:39:58 | 12820 | |
| TCS London Marathon 2024 | Marathon | 3:14:37 | 6219 |