| Ralph Adolphs's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2000 | Friday, July 7, 2000 | DNF | ||
| Hardrock 100 1997 | Iowa, US | 34 | Friday, July 11, 1997 | DNF |
| Ralph Adolphs's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2000 | Friday, July 7, 2000 | DNF | ||
| Hardrock 100 1997 | Iowa, US | 34 | Friday, July 11, 1997 | DNF |