| Dennis Herr's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2004 | Virginia, US | 57 | Friday, July 9, 2004 | 36:07:38.00 |
| Hardrock 100 2003 | Virginia, US | 56 | Friday, July 11, 2003 | DNF |
| Hardrock 100 1999 | Virginia, US | 52 | Friday, July 9, 1999 | 39:45:15.00 |
| Dennis Herr's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2004 | Virginia, US | 57 | Friday, July 9, 2004 | 36:07:38.00 |
| Hardrock 100 2003 | Virginia, US | 56 | Friday, July 11, 2003 | DNF |
| Hardrock 100 1999 | Virginia, US | 52 | Friday, July 9, 1999 | 39:45:15.00 |