Carmen To has 4 recorded races.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| TCS London Marathon 2026 | Marathon | 5:13:51 | 43718 | |
| TCS London Marathon 2025 | Marathon | 7:48:23 | 56238 | |
| TCS London Marathon 2024 | Marathon | 4:23:11 | 28170 | |
| TCS London Marathon 2023 | Marathon | 4:28:27 | 26818 |