Nico Häffner has 4 recorded races.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| BMW Berlin Marathon 2025 | Marathon | 2:54:37 | 1541 | |
| BMW Berlin Marathon 2024 | Marathon | 3:30:55 | 11249 | |
| BMW Berlin Marathon 2023 | Marathon | 3:01:20 | 3101 | |
| BMW Berlin Marathon 2022 | Marathon | 3:39:18 | 8114 |