Michael Szlapka has 2 recorded races from Marshall, Wisconsin, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-09-13 | 2025 Life Time Chequamegon MTB Festival Chequamegon 40 | Ultra Marathon | 3:26:36 | 516 |
| 2024-09-14 | 2024 Life Time Chequamegon MTB Festival presented by Trek Short & Fat 16 | 1:16:07 | 148 |