Simon Loftus has 5 recorded races from GB.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-04-13 | Schneider Electric Marathon de Paris 2025 — Schneider Electric Marathon de Paris | Marathon | 3:29:06 | 8780 |
| 2022-04-03 | Schneider Electric Marathon de Paris 2022 — Running 42.195 | Marathon | 3:42:31 | 10384 |
| TCS London Marathon 2026 | Marathon | 3:52:03 | 17054 |