| Robert Hills's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| The Bear 100 2011 | Pennsylvania, US | 45 | Friday, September 23, 2011 | DNF |
| Hardrock 100 2005 | Missouri, US | 39 | Friday, July 8, 2005 | DNF |
| Robert Hills's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| The Bear 100 2011 | Pennsylvania, US | 45 | Friday, September 23, 2011 | DNF |
| Hardrock 100 2005 | Missouri, US | 39 | Friday, July 8, 2005 | DNF |