| David Larsen's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2017 | Oregon, US | 46 | Friday, July 14, 2017 | 45:28:36.00 |
| Hardrock 100 2016 | Oregon, US | 45 | Friday, July 15, 2016 | 43:57:44.00 |
| Hardrock 100 2013 | Oregon, US | 42 | Friday, July 12, 2013 | 41:43:21.00 |
| Hardrock 100 2011 | Oregon, US | 40 | Friday, July 15, 2011 | 37:43:00.00 |
| Hardrock 100 2008 | Utah, US | 38 | Friday, July 11, 2008 | 42:58:23.00 |