| Mark Humphrey's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2024 Twisted Branch Trail Run (100k) | Ohio, US | 60 | Saturday, August 24, 2024 | DNF |
| Laurel Highlands Ultra 2022 (50k) | Ohio, US | 58 | Saturday, June 11, 2022 | 08:38:48.00 |
| Mark Humphrey's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2024 Twisted Branch Trail Run (100k) | Ohio, US | 60 | Saturday, August 24, 2024 | DNF |
| Laurel Highlands Ultra 2022 (50k) | Ohio, US | 58 | Saturday, June 11, 2022 | 08:38:48.00 |