Searched 29 events from July 10, 1992 to July 12, 2024
| Name | Gender | From | Finish Count |
|---|---|---|---|
| Jim Magill | Male | California | 1 |
| Ted Mahon | Male | Aspen, CO | 10 |
| Matt Mahoney | Male | Florida | 4 |
| Jean-Yves Malo | Male | Le Puy Sainte Réparade, France | 1 |
| Stephane Marchand | Male | United States | 1 |
| Kyle Markisich | Male | Salt Lake City, UT | 1 |
| Benat Marmissolle | Male | Tardets Sorholus, France | 1 |
| Greg Martell | Male | Wyoming | 1 |
| Kevin Martin | Male | Akron, OH | 1 |
| Leonard Martin | Male | Oak Ridge, TN | 1 |
| Roland K. Martin | Male | Nevada | 1 |
| Ryan Martin | Male | Centennial, CO | 7 |
| Shane Martin | Male | Eden, UT | 4 |
| Mike Mason | Male | Charlotte, NC | 1 |
| Scott Mason | Male | Park City, UT | 1 |
| Neal Matosky | Male | Durango, CO | 1 |
| Clifford Matthews | Male | Albuquerque, NM | 1 |
| Andrew Matulionis | Male | Montana | 2 |
| Grant Maughan | Male | Dudley, NSW, Australia | 1 |
| Karl Mayer | Male | Boulder, CO | 1 |
| Micheal McCarthy | Male | Oregon | 1 |
| Kirk McCarville | Male | Arizona | 2 |
| Paul McClintock | Male | United Kingdom | 1 |
| Steve McClung | Male | Durango, CO | 5 |
| Steve McCormick | Male | Colorado | 1 |
| Ryan Mcdermott | Male | Salt Lake City, UT | 5 |
| Mark McDermott | Male | Colorado | 2 |
| Mark C. McDermott | Male | United Kingdom | 1 |
| Ryan McDonald | Male | California | 1 |
| John McGrew | Male | Colorado | 3 |
| Douglas McInturff | Male | Colorado | 1 |
| Douglas McKeever | Male | Washington | 1 |
| Gavin McKenzie | Male | Leadville, CO | 2 |
| Scott McKenzie | Male | California | 1 |
| Justin McMillan | Male | Shell Beach, CA | 2 |
| Karl Meltzer | Male | Sandy, UT | 9 |
| Graham Melvin | Male | Bellingham, WA | 1 |
| Mark Melvin | Male | California | 3 |
| Joel Meredith | Male | Nashville, TN | 2 |
| Ryan Meulemans | Male | Signal Mountain, TN | 1 |
| Albert Meyer | Male | Connecticut | 4 |
| Daniel Meyers | Male | Mammoth, CA | 1 |
| Joshua Mietz | Male | Durango, CO | 2 |
| Shad Mika | Male | Westminster, CO | 2 |
| Denis Mikhaylov | Male | New Jersey | 1 |
| Milan Milanovich | Male | Switzerland | 1 |
| David Miller | Male | Las Vegas, NV | 1 |
| Geoff Miller | Male | Colorado | 4 |
| James Miller | Male | Colorado | 2 |
| Marc Miller | Male | Wyoming | 1 |