| Sean Cunniff's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2015 | New Mexico, US | 43 | Friday, July 10, 2015 | 44:21:25.00 |
| Hardrock 100 2014 | New Mexico, US | 42 | Friday, July 11, 2014 | 38:50:19.00 |
| Hardrock 100 2013 | New Mexico, US | 41 | Friday, July 12, 2013 | 39:45:41.00 |
| The Bear 100 2009 | New Mexico, US | 37 | Friday, September 25, 2009 | 30:46:00.00 |