Searched 17 events from July 25, 2015 to July 26, 2025
| Name | Gender | From | Finish Count |
|---|---|---|---|
| Nick Martin | Male | Seattle, WA | 3 |
| Patrick Martin | Male | Vacaville, CA | 1 |
| Paul Martin | Male | Guildford, United Kingdom | 1 |
| Peter Martin | Male | Boulder, CO | 1 |
| Raymond Martinez | Male | Morrison, CO | 1 |
| Taylor Marvin | Male | Clive, IA | 1 |
| Mark Marzen | Male | Denver, CO | 1 |
| Joanna Masloski | Female | Lone Tree, CO | 1 |
| Matthew Mason | Male | Denver, CO | 1 |
| Travis Massey | Male | Loveland, CO | 3 |
| Regina Massingill | Female | Houston, TX | 1 |
| Scott Mateski | Male | Almena, WI | 3 |
| Shane Mathias | Male | Ogden, UT | 4 |
| Clay Mathre | Male | Boulder, CO | 3 |
| Lauren Matosziuk | Female | Corvallis, OR | 1 |
| Travis Mattern | Male | Steamboat Springs, CO | 1 |
| Jordan Matthews | Male | Jefferson, WI | 1 |
| Nicole Matthews | Female | Loveland, CO | 2 |
| Ross Matthews | Male | Loveland, CO | 1 |
| Jane Maus | Female | Salt Lake City, UT | 1 |
| Anders Mavis | Male | Denver, CO | 1 |
| Chris Mavricos | Male | Boulder, CO | 1 |
| Sheryl Mawn | Female | Lakewood, CO | 1 |
| Alex May | Male | Fort Collins, CO | 2 |
| Dustin May | Male | Denver, CO | 1 |
| Adam Mayer | Male | Boulder, CO | 1 |
| Curtis Mcanally | Male | Fort Collins, CO | 1 |
| Josh McBeth | Male | Broomfield, CO | 1 |
| Bradley McCall | Male | Boulder, CO | 3 |
| James McCants | Male | Denver, CO | 2 |
| Cameron McClellan | Male | Castle Rock, CO | 2 |
| Russell McConaha | Male | Arvada, CO | 1 |
| Sean McCoy | Male | Denver, CO | 1 |
| Aaron McCrady | Male | Annapolis, MD | 1 |
| Matthew McCrudden | Male | Fort Collins, CO | 2 |
| Mark McCue | Male | Bloomington, IN | 1 |
| Jake McCulloch | Male | Denver, CO | 1 |
| Kristen McCune | Female | Monument, CO | 1 |
| Chris McDermand | Male | Beaumont, TX | 1 |
| Aron Mcdonald | Male | Peoria, IL | 1 |
| Richard McDonnell | Male | Greensboro, NC | 3 |
| Timothy McFarlane | Male | Zionsville, IN | 1 |
| Brendan McGarity | Male | Littleton, CO | 1 |
| Alex McGeorge | Male | Denver, CO | 2 |
| Michael Mcginn | Male | Johnston, IA | 2 |
| Patrick McGrath | Male | Colorado Springs, CO | 2 |
| Sean McGrath | Male | Colorado Springs, CO | 1 |
| Nate McHenry | Male | Windsor, CO | 1 |
| Matthew McHugh | Male | Fort Collins, CO | 1 |
| Caitlin McKimmy | Female | Boulder, CO | 1 |