| Doug Seaver's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2018 | Missouri, US | 37 | Friday, July 20, 2018 | 39:22:22.00 |
| Hardrock 100 2016 | Missouri, US | 35 | Friday, July 15, 2016 | 42:59:29.00 |
| Hardrock 100 2013 | California, US | 32 | Friday, July 12, 2013 | 38:04:56.00 |
| Hardrock 100 2012 | California, US | 32 | Friday, July 13, 2012 | 46:07:00.00 |