Robert Whitby has 6 recorded races from GB.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-04-13 | Schneider Electric Marathon de Paris 2025 — Schneider Electric Marathon de Paris | Marathon | 2:47:30 | 511 |
| TCS London Marathon 2026 | Marathon | 2:38:22 | 566 | |
| BMW Berlin Marathon 2025 | Marathon | 2:47:51 | 923 | |
| TCS London Marathon 2025 | Marathon | 4:27:40 | 26270 | |
| TCS London Marathon 2024 | Marathon | 2:35:01 | 391 |