| Karl Meltzer's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2015 | Utah, US | 48 | Friday, July 10, 2015 | 32:45:00.00 |
| The Bear 100 2013 | Utah, US | 45 | Friday, September 27, 2013 | 19:39:00.00 |
| Hardrock 100 2013 | Utah, US | 45 | Friday, July 12, 2013 | DNF |
| Hardrock 100 2012 | Utah, US | 45 | Friday, July 13, 2012 | 28:43:00.00 |
| Hardrock 100 2011 | Utah, US | 44 | Friday, July 15, 2011 | DNF |
| Hardrock 100 2010 | Utah, US | 42 | Friday, July 9, 2010 | DNF |
| Hardrock 100 2009 | Utah, US | 41 | Friday, July 10, 2009 | 24:38:02.00 |
| Hardrock 100 2007 | Utah, US | 40 | Friday, July 13, 2007 | 28:59:08.00 |
| Hardrock 100 2006 | Utah, US | 39 | Friday, July 14, 2006 | 27:07:55.00 |
| Hardrock 100 2005 | Utah, US | 38 | Friday, July 8, 2005 | 28:29:15.00 |
| Hardrock 100 2004 | Utah, US | 37 | Friday, July 9, 2004 | DNF |
| Hardrock 100 2003 | Utah, US | 36 | Friday, July 11, 2003 | 28:01:55.00 |
| Hardrock 100 2001 | Utah, US | 34 | Friday, July 13, 2001 | 26:39:35.00 |
| Hardrock 100 1999 | Utah, US | 31 | Friday, July 9, 1999 | DNF |