| Mark Lange's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 1996 | Colorado, US | 33 | Friday, July 12, 1996 | 31:53:54.00 |
| Hardrock 100 1993 | Colorado, US | 30 | Friday, July 9, 1993 | 32:58:00.00 |
| Hardrock 100 1992 | Colorado, US | 29 | Friday, July 10, 1992 | 39:55:00.00 |