Stephen Riches has 4 recorded races from GB.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-04-12 | Schneider Electric Marathon de Paris 2026 — Marathon de Paris | Marathon | 4:26:48 | 37235 |
| TCS London Marathon 2026 | Marathon | 4:20:10 | 26967 | |
| BMW Berlin Marathon 2022 | Marathon | 3:58:30 | 12146 |