| Jeff List's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2022 | Washington, US | 63 | Friday, July 15, 2022 | 41:03:53.00 |
| Hardrock 100 2021 | Washington, US | 62 | Friday, July 16, 2021 | 42:18:00.00 |
| Hardrock 100 2018 | Washington, US | 59 | Friday, July 20, 2018 | 38:46:07.00 |
| Hardrock 100 2017 | Massachusetts, US | 58 | Friday, July 14, 2017 | 41:45:18.00 |
| Hardrock 100 2016 | Massachusetts, US | 57 | Friday, July 15, 2016 | 43:57:59.00 |
| Hardrock 100 2015 | Massachusetts, US | 56 | Friday, July 10, 2015 | 42:35:49.00 |
| 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 |