| Name | Date and Time | Entrants |
|---|---|---|
| Imogene 2016 | Not yet determined | 0 entrants |
| 2023 Testrock | Sat | September 28, 2024 | 06:00AM(MDT) | 2 entrants |
| Test Suite Multi Lap 2018 | Thu | March 05, 2020 | 06:00PM(MST) | 66 entrants |
| Test Suite Location Grouped 2018 | Sat | April 21, 2018 | 06:00AM(MDT) | 100 entrants |
| 50M | Sat | April 21, 2018 | 06:00AM(MDT) | 52 entrants |
| 25M | Sat | April 21, 2018 | 08:00AM(MDT) | 48 entrants |
| Test Suite Multi Event 2018 | Fri | April 13, 2018 | 07:00AM(MDT) | 58 entrants |
| 100K | Fri | April 13, 2018 | 07:00AM(MDT) | 33 entrants |
| 55K | Fri | April 13, 2018 | 08:00AM(MDT) | 25 entrants |
| Test Suite Basic 2018 | Thu | April 05, 2018 | 06:00AM(MDT) | 69 entrants |
| Goosebumps Run 24 Hour 2017 | Tue | September 19, 2017 | 10:00PM(CDT) | 152 entrants |
| Hardrock 100 2017 | Fri | July 14, 2017 | 06:10AM(MDT) | 12 entrants |
| Runlimited Test 25 2017 | Sat | May 13, 2017 | 08:00AM(MDT) | 265 entrants |
| Runlimited Test 2017 | Fri | May 12, 2017 | 05:30AM(MDT) | 205 entrants |
| Rufa 2017 | Sat | February 11, 2017 | 06:00AM(MST) | 121 entrants |
| Bad Data 50 2016 | Fri | November 18, 2016 | 06:00AM(PST) | 470 entrants |
| 2016 Silverton Double Dirty 30 | Sat | September 24, 2016 | 07:00AM(MDT) | 33 entrants |
| Testrock 100 2016 | Fri | July 15, 2016 | 06:00AM(MDT) | 146 entrants |
| Hardrock 100 2016 | Fri | July 15, 2016 | 06:00AM(MDT) | 151 entrants |
| Rufa 2016 | Sat | February 13, 2016 | 06:00AM(MST) | 51 entrants |
| 2015 Rattlesnake Ramble | Sat | September 12, 2015 | 08:00AM(MDT) | 104 entrants |
| Hardrock 100 2015 | Fri | July 10, 2015 | 06:00AM(MDT) | 152 entrants |
| 2014 Rattlesnake Ramble | Sat | September 13, 2014 | 06:00AM(MDT) | 104 entrants |
| Hardrock 100 2014 | Fri | July 11, 2014 | 06:00AM(MDT) | 140 entrants |
| 2013 Rattlesnake Ramble | Sat | November 09, 2013 | 08:00AM(MST) | 89 entrants |
| The Bear 100 2013 | Fri | September 27, 2013 | 06:00AM(MDT) | 263 entrants |
| Hardrock 100 2013 | Fri | July 12, 2013 | 06:00AM(MDT) | 140 entrants |
| 2012 Rattlesnake Ramble | Sat | September 15, 2012 | 08:00AM(MDT) | 109 entrants |
| Hardrock 100 2012 | Fri | July 13, 2012 | 06:00AM(MDT) | 140 entrants |
| 2011 Rattlesnake Ramble | Sat | September 17, 2011 | 08:00AM(MDT) | 78 entrants |
| Hardrock 100 2011 | Fri | July 15, 2011 | 06:00AM(MDT) | 140 entrants |
| 2010 Rattlesnake Ramble | Sat | September 18, 2010 | 08:00AM(MDT) | 89 entrants |
| Hardrock 100 2010 | Fri | July 09, 2010 | 06:00AM(MDT) | 140 entrants |
| 2009 Rattlesnake Ramble | Sun | September 13, 2009 | 08:00AM(MDT) | 63 entrants |
| Hardrock 100 2009 | Fri | July 10, 2009 | 06:00AM(MDT) | 134 entrants |
| 2008 Rattlesnake Ramble | Sun | September 21, 2008 | 08:00AM(MDT) | 62 entrants |
| Hardrock 100 2008 | Fri | July 11, 2008 | 06:00AM(MDT) | 141 entrants |
| 2007 Rattlesnake Ramble | Sat | September 15, 2007 | 08:00AM(MDT) | 63 entrants |
| Hardrock 100 2007 | Fri | July 13, 2007 | 06:00AM(MDT) | 136 entrants |
| Hardrock 100 2007 | Fri | July 13, 2007 | 06:00AM(MDT) | 136 entrants |
| Hardrock 100 2007 Test Event | Fri | July 13, 2007 | 06:00AM(MDT) | 0 entrants |
| 2006 Rattlesnake Ramble | Sat | September 16, 2006 | 08:00AM(MDT) | 58 entrants |
| Hardrock 100 2006 | Fri | July 14, 2006 | 06:00AM(MDT) | 127 entrants |
| 2005 Rattlesnake Ramble | Sat | September 17, 2005 | 08:00AM(MDT) | 35 entrants |
| Hardrock 100 2005 | Fri | July 08, 2005 | 06:00AM(MDT) | 124 entrants |
| Hardrock 100 2004 | Fri | July 09, 2004 | 06:00AM(MDT) | 124 entrants |
| Hardrock 100 2003 | Fri | July 11, 2003 | 06:00AM(MDT) | 112 entrants |
| Hardrock 100 2001 | Fri | July 13, 2001 | 06:00AM(MDT) | 118 entrants |
| Hardrock 100 2000 | Fri | July 07, 2000 | 06:00AM(MDT) | 114 entrants |
| Hardrock 100 1999 | Fri | July 09, 1999 | 06:00AM(MDT) | 109 entrants |
| Hardrock 100 1998 | Fri | July 10, 1998 | 06:00AM(MDT) | 82 entrants |
| Hardrock 100 1997 | Fri | July 11, 1997 | 06:00AM(MDT) | 98 entrants |
| Hardrock 100 1996 | Fri | July 12, 1996 | 06:00AM(MDT) | 91 entrants |
End of List