| Jeff Wells's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer (2021) (100k) | Missouri, US | 63 | Saturday, July 31, 2021 | DNF |
| Bighorn 100M 2014 | Missouri, US | 55 | Friday, June 20, 2014 | DNF |
| Jeff Wells's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer (2021) (100k) | Missouri, US | 63 | Saturday, July 31, 2021 | DNF |
| Bighorn 100M 2014 | Missouri, US | 55 | Friday, June 20, 2014 | DNF |