David Haylett has 5 recorded races.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| TCS London Marathon 2026 | Marathon | 2:55:58 | 2430 | |
| TCS London Marathon 2025 | Marathon | 2:48:09 | 1315 | |
| TCS London Marathon 2024 | Marathon | 2:52:05 | 2029 | |
| TCS London Marathon 2023 | Marathon | 2:55:54 | 2179 | |
| TCS London Marathon 2022 | Marathon | 3:13:10 | 3174 |