Roland Hardenberg has 4 recorded races.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| BMW Berlin Marathon 2025 | Marathon | 3:54:09 | 11834 | |
| BMW Berlin Marathon 2024 | Marathon | 3:42:23 | 14360 | |
| BMW Berlin Marathon 2023 | Marathon | 3:54:51 | 14166 | |
| BMW Berlin Marathon 2022 | Marathon | 3:55:23 | 11331 |