Gary READER has 3 recorded races from GB.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-04-12 | Schneider Electric Marathon de Paris 2026 — Marathon de Paris | Marathon | 4:08:05 | 28410 |
| TCS London Marathon 2025 | Marathon | 4:45:34 | 31907 | |
| BMW Berlin Marathon 2022 | Marathon | 4:29:44 | 17056 |