Nelsen Wahlstrom has 4 recorded races from Wauwatosa, Wisconsin, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-09-13 | 2025 Life Time Chequamegon MTB Festival Chequamegon 40 | Ultra Marathon | 4:16:28 | 956 |
| 2024-09-14 | 2024 Life Time Chequamegon MTB Festival presented by Trek Chequamegon 40 | Ultra Marathon | 2:48:57 | 150 |
| 2023-09-16 | 2023 Life Time Chequamegon MTB Festival presented by Trek Chequamegon 40 | Ultra Marathon | 2:48:17 | 83 |
| 2022-09-17 | 2022 Chequamegon MTB Festival Short and Fat 16 | 1:04:43 | 14 |