| Doug Newton's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2016 | Colorado, US | 39 | Friday, July 15, 2016 | 38:15:21.00 |
| Hardrock 100 2015 | Colorado, US | 39 | Friday, July 10, 2015 | 37:54:00.00 |
| Hardrock 100 2014 | Colorado, US | 38 | Friday, July 11, 2014 | 39:27:52.00 |
| Hardrock 100 2011 | Colorado, US | 35 | Friday, July 15, 2011 | 39:57:00.00 |