| Kristina Irvin's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| The Bear 100 2017 | California, US | 59 | Friday, September 22, 2017 | DNF |
| Hardrock 100 2014 | California, US | 56 | Friday, July 11, 2014 | DNF |
| The Bear 100 2013 | California, US | 55 | Friday, September 27, 2013 | 33:56:00.00 |
| Hardrock 100 2013 | California, US | 55 | Friday, July 12, 2013 | DNF |
| Hardrock 100 2011 | California, US | 53 | Friday, July 15, 2011 | DNF |
| Hardrock 100 2010 | California, US | 52 | Friday, July 9, 2010 | 46:54:07.00 |
| Hardrock 100 2008 | California, US | 50 | Friday, July 11, 2008 | 45:15:48.00 |
| Hardrock 100 2006 | California, US | 48 | Friday, July 14, 2006 | 46:14:56.00 |
| Hardrock 100 2005 | California, US | 47 | Friday, July 8, 2005 | 45:45:46.00 |
| Hardrock 100 2004 | California, US | 46 | Friday, July 9, 2004 | 44:01:00.00 |
| Hardrock 100 2000 | 42 | Friday, July 7, 2000 | 44:22:58.00 | |
| Hardrock 100 1998 | California, US | 40 | Friday, July 10, 1998 | 44:32:07.00 |