| Greg Hartman's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2013 | Colorado, US | 39 | Friday, July 12, 2013 | 37:19:47.00 |
| Hardrock 100 2011 | Colorado, US | 38 | Friday, July 15, 2011 | 38:40:00.00 |
| Hardrock 100 2010 | Colorado, US | 36 | Friday, July 9, 2010 | 33:22:59.00 |
| Hardrock 100 2008 | Colorado, US | 35 | Friday, July 11, 2008 | 38:10:04.00 |
| Hardrock 100 2007 | Colorado, US | 34 | Friday, July 13, 2007 | 39:15:15.00 |