Quincy Grotenhuis has 6 recorded races from Lakeville, Minnesota, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-09-13 | 2025 Life Time Chequamegon MTB Festival Short & Fat 16 | 1:01:51 | 17 | |
| 2025-06-28 | Life Time Lutsen 99er presented by Visit Cook County Lutsen29er | Ultra Marathon | 2:56:03 | 160 |
| 2024-09-14 | 2024 Life Time Chequamegon MTB Festival presented by Trek Short & Fat 16 | 1:16:07 | 147 | |
| 2023-09-16 | 2023 Life Time Chequamegon MTB Festival presented by Trek Short & Fat 16 | 1:28:39 | 271 | |
| 2022-09-17 | 2022 Chequamegon MTB Festival Short and Fat 16 | 1:35:49 | 338 | |
| 2022-06-25 | 2022 Lutsen 99er 25er | Ultra Marathon | 3:17:24 | 239 |