Sinead Clarkin has 4 recorded races.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| TCS London Marathon 2025 | Marathon | 5:24:06 | 42663 | |
| TCS London Marathon 2024 | Marathon | 5:11:21 | 41223 | |
| TCS London Marathon 2023 | Marathon | 4:39:46 | 30010 | |
| TCS London Marathon 2022 | Marathon | 4:25:13 | 18931 |