John Borstelmann has 6 recorded races from San Luis Obispo, California, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2024-09-14 | 2024 Life Time Chequamegon MTB Festival presented by Trek Pro/Elite Chequamegon 40 | Ultra Marathon | 2:00:56 | 7 |
| 2024-08-10 | 2024 Life Time Leadville Trail 100 MTB | Ultra Marathon | 7:10:43 | 53 |
| 2023-09-16 | 2023 Life Time Chequamegon MTB Festival presented by Trek Pro/Elite Chequamegon 40 | Ultra Marathon | 2:26:37 | 56 |
| 2022-09-17 | 2022 Chequamegon MTB Festival Pro/Elite Chequamegon 40 | Ultra Marathon | 1:08:25 | 93 |
| 2022-09-17 | 2022 Chequamegon MTB Festival Pro/Elite Chequamegon 40 | Ultra Marathon | 1:08:25 | 93 |
| 2022-08-13 | 2022 Stages Cycling Leadville Trail 100 MTB LT100 Pro | Ultra Marathon | 7:04:07 | 36 |