| Mark Mcdermott's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2015 | Oregon, US | 53 | Friday, July 10, 2015 | 36:21:00.00 |
| Hardrock 100 1996 | Colorado, US | 34 | Friday, July 12, 1996 | DNF |
| Mark Mcdermott's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2015 | Oregon, US | 53 | Friday, July 10, 2015 | 36:21:00.00 |
| Hardrock 100 1996 | Colorado, US | 34 | Friday, July 12, 1996 | DNF |