Jan Kostal has 4 recorded races from Shoreview, Minnesota, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2024-06-29 | 2024 Life Time Lutsen 99er Lutsen69er | Ultra Marathon | 8:55:18 | 112 |
| 2023-09-16 | 2023 Life Time Chequamegon MTB Festival presented by Trek Chequamegon 40 | Ultra Marathon | 3:43:29 | 727 |
| 2023-06-24 | 2023 Stages Cycling Lutsen 99er Lutsen49er | Ultra Marathon | 5:33:52 | 304 |
| 2022-09-17 | 2022 Chequamegon MTB Festival Chequamegon 40 | Ultra Marathon | 3:56:58 | 814 |