| Mike Ehrlich's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2015 | Colorado, US | 52 | Friday, July 10, 2015 | DNF |
| Hardrock 100 2013 | Colorado, US | 50 | Friday, July 12, 2013 | DNF |
| Hardrock 100 2012 | Colorado, US | 49 | Friday, July 13, 2012 | 40:17:00.00 |
| Hardrock 100 2011 | Colorado, US | 48 | Friday, July 15, 2011 | 37:01:00.00 |
| Hardrock 100 2010 | Colorado, US | 47 | Friday, July 9, 2010 | 37:42:34.00 |
| Hardrock 100 2009 | Colorado, US | 46 | Friday, July 10, 2009 | 33:46:04.00 |
| Hardrock 100 2008 | Colorado, US | 45 | Friday, July 11, 2008 | 39:50:07.00 |
| Hardrock 100 2007 | Colorado, US | 44 | Friday, July 13, 2007 | 38:49:40.00 |
| Hardrock 100 2006 | Colorado, US | 43 | Friday, July 14, 2006 | 34:57:58.00 |
| Hardrock 100 2005 | Colorado, US | 42 | Friday, July 8, 2005 | 37:49:55.00 |
| Hardrock 100 2004 | Colorado, US | 41 | Friday, July 9, 2004 | 46:29:55.00 |
| Hardrock 100 2003 | Colorado, US | 40 | Friday, July 11, 2003 | DNF |
| Hardrock 100 2001 | Colorado, US | 38 | Friday, July 13, 2001 | 40:35:07.00 |
| Hardrock 100 2000 | 37 | Friday, July 7, 2000 | 42:07:59.00 | |
| Hardrock 100 1999 | Colorado, US | 36 | Friday, July 9, 1999 | 39:34:40.00 |