| Josh Bonkowsky's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| The Ranch 2026 (50k) | Utah, US | 56 | Saturday, February 14, 2026 | DNF |
| Hardrock 100 2024 | Utah, US | 54 | Friday, July 12, 2024 | DNF |
| The Bear 100 2023 | Utah, US | 53 | Friday, September 29, 2023 | DNF |
| The Bear 100 2021 | Utah, US | 51 | Saturday, September 25, 2021 | 29:33:14.00 |
| The Bear 100 2020 | Utah, US | 50 | Friday, September 25, 2020 | 33:49:09.00 |