Cullen Nicholls has 4 recorded races.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| TCS London Marathon 2025 | Marathon | 7:12:51 | 55384 | |
| TCS London Marathon 2024 | Marathon | 7:00:56 | 52884 | |
| TCS London Marathon 2023 | Marathon | 6:55:07 | 47987 | |
| TCS London Marathon 2022 | Marathon | 7:06:25 | 39929 |