| Bill Geist's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2015 | New Mexico, US | 44 | Friday, July 10, 2015 | 44:05:00.00 |
| Hardrock 100 2014 | Austria | 43 | Friday, July 11, 2014 | 40:43:34.00 |
| Hardrock 100 2013 | Austria | 42 | Friday, July 12, 2013 | 40:40:50.00 |
| Hardrock 100 2011 | New Mexico, US | 41 | Friday, July 15, 2011 | DNF |
| Hardrock 100 2009 | New Mexico, US | 38 | Friday, July 10, 2009 | 35:50:10.00 |
| Hardrock 100 2007 | New Mexico, US | 37 | Friday, July 13, 2007 | 36:58:56.00 |