Searched 9 events from October 21, 2017 to October 18, 2025
| Name | Gender | From | Finish Count |
|---|---|---|---|
| Madison Marty | Female | Windsor, CO | 1 |
| Brook Marvin | Female | Crestone, CO | 1 |
| Mark Marzen | Male | Denver, CO | 1 |
| Jim Massa | Male | Fort Collins, CO | 1 |
| Kobi Massaro | Male | Middletown, RI | 1 |
| Travis Massey | Male | Loveland, CO | 2 |
| Cameron Mathews | Male | Highlands Ranch, CO | 1 |
| Shane Mathias | Male | Ogden, UT | 2 |
| Clay Mathre | Male | Boulder, CO | 1 |
| Aaron Mathys | Male | Fort Collins, CO | 1 |
| Camille Mavis | Female | Fort Collins, CO | 1 |
| Skyler Mavor | Male | Fort Collins, CO | 1 |
| Samantha Mayden | Female | Denver, CO | 1 |
| Patrick Maynes | Male | Lafayette, CO | 1 |
| Howard Mayson | Male | Breckenridge, CO | 1 |
| Curtis Mcanally | Male | Fort Collins, CO | 1 |
| Leonard McAneny | Male | Jacksonville, FL | 1 |
| Tiffany McAneny | Female | Jacksonville, FL | 1 |
| Stephen McCarthy | Male | Denver, CO | 1 |
| Connor McCarty | Male | Fort Collins, CO | 1 |
| Heidi McCarty | Female | Torrington, WY | 2 |
| Katie McCauley | Female | Fort Collins, CO | 2 |
| Zach Mccluskey | Male | Loveland, CO | 1 |
| Matthew McCrudden | Male | Fort Collins, CO | 1 |
| Emily Mccullough | Female | Denver, CO | 2 |
| Kristen McCune | Female | Monument, CO | 1 |
| Jarod McDaniel | Male | Casper, WY | 2 |
| Rory McDermott | Male | Countryside, IL | 1 |
| Dylan McFarland | Male | Aurora, CO | 1 |
| Katie McGee | Female | Boulder, CO | 1 |
| Matthew McHugh | Male | Fort Collins, CO | 3 |
| Darren McKee | Male | Centennial, CO | 1 |
| Ryan McKinley | Male | Colorado Springs, CO | 1 |
| Paul McKinney | Male | Fort Collins, CO | 1 |
| Elise McKnight | Female | Fort Collins, CO | 1 |
| Gordon McLaughlin | Male | Fort Collins, CO | 1 |
| Joe McLennan | Male | WestminsterWestminster, CO | 1 |
| Mark McLennan | Male | Wheat Ridge, CO | 1 |
| Sean McLennan | Male | Wheat Ridge, CO | 1 |
| James Mcloughlin | Male | Fort Collins, CO | 2 |
| Beth McManus | Female | Louisville, CO | 1 |
| Sean McManus | Male | Denver, CO | 1 |
| Jennifer Mcmurtrey | Female | Longmont, CO | 1 |
| Kealan McNally | Female | Fort Collins, CO | 1 |
| Andy McPherson | Male | Thornton, CO | 2 |
| Lucien Meadows | Male | Fort Collins, CO | 3 |
| Matthew Measel | Male | Windsor, CO | 1 |
| Natasha Medici | Female | Fort Collins, CO | 1 |
| Will Medlin | Male | Boulder, CO | 1 |
| Kevin Medrala | Male | Denver, CO | 5 |