Bernie Siu has 5 recorded races.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| TCS London Marathon 2026 | Marathon | 4:29:25 | 30200 | |
| TCS London Marathon 2025 | Marathon | 3:54:10 | 15686 | |
| BMW Berlin Marathon 2024 | Marathon | 3:21:03 | 8310 | |
| TCS London Marathon 2024 | Marathon | 3:37:21 | 12385 | |
| TCS London Marathon 2023 | Marathon | 3:18:35 | 5981 |