Harry Hart has 5 recorded races from GB.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-04-12 | Schneider Electric Marathon de Paris 2026 — Marathon de Paris | Marathon | 3:01:18 | 2613 |
| 2025-04-13 | Schneider Electric Marathon de Paris 2025 — Schneider Electric Marathon de Paris | Marathon | 2:34:35 | 114 |
| TCS London Marathon 2026 | Marathon | 2:30:00 | 203 |