Dale Harrison has 4 recorded races from GB.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-04-13 | Schneider Electric Marathon de Paris 2025 — Schneider Electric Marathon de Paris | Marathon | 3:35:01 | 11302 |
| TCS London Marathon 2026 | Marathon | 3:27:31 | 8938 | |
| BMW Berlin Marathon 2025 | Marathon | 3:26:10 | 5769 |