Lewis Grace has 4 recorded races from GB.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2024-04-07 | Schneider Electric Marathon de Paris 2024 — Marathon de Paris 2024 | Marathon | 3:14:18 | 4612 |
| TCS London Marathon 2026 | Marathon | 3:06:12 | 4222 | |
| TCS London Marathon 2025 | Marathon | 3:11:50 | 4753 |