Searched 17 events from July 25, 2015 to July 26, 2025
| Name | Gender | From | Finish Count |
|---|---|---|---|
| Fordyce Lux | Male | Denver, CO | 1 |
| Cory Lyle | Male | San Diego, CA | 1 |
| Tom Lyle | Male | Aurora, CO | 4 |
| Charlie Macarthur | Male | Steamboat Springs, CO | 3 |
| Margaret Macdonald | Female | Arvada, CO | 1 |
| Mike Macdonald | Male | Mount Pleasant, MI | 2 |
| Brian Macey | Male | Lakewood, CO | 1 |
| Bradley Machamer | Male | Boulder, CO | 1 |
| Brian Macpherson | Male | Louisville, CO | 2 |
| Brittany Maddock | Female | Leadville, CO | 1 |
| Amanda Maes | Female | Littleton, CO | 1 |
| Joey Maestas | Male | Fort Collins, CO | 2 |
| Carson Magoon | Male | Kamuela, HI | 1 |
| Samuel Maher | Male | Denver, CO | 1 |
| Kevin Maier | Male | Bolton, MA | 1 |
| Adam Maiers | Male | Casper, WY | 1 |
| Andrew Maisel | Male | Washington, DC | 2 |
| Enrique Maldonado | Male | Northglenn, CO | 1 |
| Eric Malkowski | Male | Salt Lake City, UT | 1 |
| Shelby Malloy | Female | Westminster, CO | 1 |
| Jenn Malmberg | Female | Fort Collins, CO | 3 |
| Sam Malmberg | Male | Fort Collins, CO | 3 |
| Andrew Malwitz | Male | Albuquerque, NM | 1 |
| Grace Maniscalco | Female | Longmont, CO | 1 |
| Reid Maniscalco | Male | Boulder, CO | 1 |
| Thomas Mann | Male | Laverne, OK | 1 |
| Megan Manning | Female | Fort Collins, CO | 1 |
| Stephanie Mantie | Female | Fort Collins, CO | 1 |
| Toby Manuel | Male | Salida, CO | 1 |
| Drew Maraglia | Male | Broomfield, CO | 2 |
| Chris Marcinek | Male | Montrose, CO | 1 |
| Desiree Marek | Female | Denver, CO | 1 |
| Amy Margolis | Female | Seattle, WA | 1 |
| Chanan Margolis | Male | Denver, CO | 1 |
| Benjamin Marinoff | Male | Boulder, CO | 1 |
| Amy Markovich | Female | Steamboat Springs, CO | 1 |
| Aaron Marks | Male | Fort Collins, CO | 1 |
| Zachary Marks | Male | Littleton, CO | 1 |
| Cara Marrs | Female | Steamboat Springs, CO | 1 |
| Clarence Marshall | Male | Wheat Ridge, CO | 1 |
| Jeff Marshall | Male | Aspen, CO | 1 |
| Jennifer Marshall | Female | Memphis, TN | 1 |
| Kristin Marshall | Female | Centennial, CO | 1 |
| Nick Marshall | Male | St. Paul, MN | 1 |
| Jacob Marthiljohni | Male | Loveland, CO | 1 |
| Daniel Martin | Male | Broken Arrow, OK | 1 |
| John Martin | Male | Denver, CO | 1 |
| Katey Martin | Female | Park City, UT | 2 |
| Matthew Martin | Male | Fort Collins, CO | 1 |
| Mickey Martin | Male | Evergreen, CO | 1 |