David Steinhoff has 4 recorded races from Duluth, Minnesota, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-09-13 | 2025 Life Time Chequamegon MTB Festival Chequamegon 40 | Ultra Marathon | 4:30:54 | 1046 |
| 2023-09-16 | 2023 Life Time Chequamegon MTB Festival presented by Trek Chequamegon 40 | Ultra Marathon | 3:59:46 | 912 |
| 2023-06-24 | 2023 Stages Cycling Lutsen 99er Lutsen69er | Ultra Marathon | 6:41:20 | 133 |
| 2022-09-17 | 2022 Chequamegon MTB Festival Chequamegon 40 | Ultra Marathon | 3:49:54 | 766 |