Laszlo Demko has 4 recorded races.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| BMW Berlin Marathon 2025 | Marathon | 3:47:07 | 10192 | |
| BMW Berlin Marathon 2024 | Marathon | 3:30:31 | 11127 | |
| BMW Berlin Marathon 2023 | Marathon | 3:26:39 | 7376 | |
| BMW Berlin Marathon 2022 | Marathon | 3:36:18 | 7577 |