Tanja Knappmeier has 4 recorded races.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| BMW Berlin Marathon 2025 | Marathon | 3:42:31 | 2137 | |
| BMW Berlin Marathon 2024 | Marathon | 3:26:00 | 1671 | |
| BMW Berlin Marathon 2023 | Marathon | 3:21:35 | 875 | |
| BMW Berlin Marathon 2022 | Marathon | 3:25:49 | 829 |