Sergei Janzen has 4 recorded races.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| BMW Berlin Marathon 2025 | Marathon | 4:35:52 | 20836 | |
| BMW Berlin Marathon 2024 | Marathon | 3:43:32 | 14709 | |
| BMW Berlin Marathon 2023 | Marathon | 4:14:09 | 18378 | |
| BMW Berlin Marathon 2022 | Marathon | 4:22:29 | 15973 |