| Jeff List's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2016 | Massachusetts, US | 57 | Friday, July 15, 2016 | 43:57:59.00 |
| Hardrock 100 2015 | Massachusetts, US | 56 | Friday, July 10, 2015 | 42:35:00.00 |
| Hardrock 100 2014 | Massachusetts, US | 55 | Friday, July 11, 2014 | 40:17:43.00 |
| Hardrock 100 2013 | Massachusetts, US | 54 | Friday, July 12, 2013 | 39:51:11.00 |
| Hardrock 100 2011 | Massachusetts, US | 52 | Friday, July 15, 2011 | 40:57:00.00 |
| Hardrock 100 2009 | Massachusetts, US | 50 | Friday, July 10, 2009 | 38:54:43.00 |