Rainer Mattern has 4 recorded races.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| BMW Berlin Marathon 2025 | Marathon | 5:31:56 | 28042 | |
| BMW Berlin Marathon 2024 | Marathon | 4:48:51 | 29561 | |
| BMW Berlin Marathon 2023 | Marathon | 5:22:24 | 26342 | |
| BMW Berlin Marathon 2022 | Marathon | 5:18:02 | 21209 |