Wilton Grey has 5 recorded races.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| TCS London Marathon 2026 | Marathon | 3:32:31 | 10504 | |
| TCS London Marathon 2025 | Marathon | 3:32:52 | 9451 | |
| TCS London Marathon 2024 | Marathon | 3:38:36 | 12764 | |
| TCS London Marathon 2023 | Marathon | 3:30:04 | 8654 | |
| TCS London Marathon 2022 | Marathon | 3:40:00 | 7624 |