Searched 18 events from May 13, 2017 to May 10, 2025
| Name | Gender | From | Finish Count |
|---|---|---|---|
| Samantha Misurda | Female | Tucson, AZ | 1 |
| Abby Mitchell | Female | Boulder, CO | 1 |
| Dane Mitchell | Male | Jeffersonville, VT | 1 |
| Michael Mitchell | Male | Denver, CO | 2 |
| Darien Mitchell-Tontar | Male | Fort Collins, CO | 2 |
| Suzanne Mobarak | Female | Denver, CO | 1 |
| Chris Mocko | Male | Mill Valley, CA | 2 |
| Olivia Moench | Female | Fort Collins, CO | 1 |
| Geoff Moffat | Male | Louisville, CO | 1 |
| Kristen Mohror | Female | Boulder, CO | 1 |
| Miguel Molina | Male | Fort Collins, CO | 2 |
| Vince Molosky | Male | Tallahassee, FL | 1 |
| Ken Monks | Male | Drums, PA | 1 |
| Larissa Monreal | Female | Fort Collins, CO | 1 |
| Ivan Montes | Male | Boulder, CO | 1 |
| Ryan Montgomery | Nonbinary | San Francisco, CA | 2 |
| Nathan Moody | Male | Los Alamos, NM | 1 |
| Jordan Moon | Male | Atlanta, GA | 1 |
| Aj Moore | Male | Boulder, CO | 1 |
| Cory Moore | Male | Fort Collins, CO | 1 |
| Michael Moore | Male | Naples, FL | 1 |
| Suzanne Moore | Female | Loveland, CO | 1 |
| Elise Mordos | Female | Boulder, CO | 1 |
| Joe Moreng | Male | Fort Collins, CO | 1 |
| Derrick Morford | Male | Loveland, CO | 1 |
| Anne Morgan | Female | Fort Collins, CO | 2 |
| Casey Morgan | Female | Fort Collins, CO | 1 |
| Chris Morgan | Male | Denver, CO | 1 |
| Daniel Morgan | Male | Fort Collins, CO | 2 |
| Jael Morgan | Female | Bellvue, CO | 1 |
| Justin Morgan | Male | Fort Collins, CO | 2 |
| Kyle Morgan | Male | El Dorado, AR | 1 |
| Rory Morgan | Male | Fort Collins, CO | 1 |
| Megan Moriarty | Female | Lawrence, KS | 1 |
| Ben Moritz | Male | Nederland, CO | 1 |
| Emma Morley | Female | Fort Collins, CO | 1 |
| Ryan Morrison | Male | Fort Collins, CO | 1 |
| Zak Morrow | Male | Broomfield, CO | 1 |
| Justin Moser | Male | Denver, CO | 1 |
| Isaac Mousel | Male | Denver, CO | 1 |
| Bill Moyle | Male | Lone Tree, CO | 2 |
| Mark Mueller | Male | Fort Collins, CO | 1 |
| Bailee Mulholland | Female | Boulder, CO | 1 |
| Shawnie Mulligan | Female | Vail, CO | 1 |
| Corey Mullins | Male | Houghton, MI | 1 |
| Hudson Munoz | Male | Washington, DC | 1 |
| Kelsey Murdock | Male | Austin, TX | 1 |
| Seth Murphy | Male | Fort Collins, CO | 1 |
| Madeleine Murray | Female | Steamboat Springs, CO | 2 |
| Paula Murray | Female | Fort Collins, CO | 1 |