Searched 29 events from July 10, 1992 to July 12, 2024
| Name | Gender | From | Finish Count |
|---|---|---|---|
| Steven Moore | Male | Austin, TX | 2 |
| Frederic Morand | Male | Habere Poche, France | 1 |
| Mary Lou Morgan-Pentasuglio | Female | Colorado | 2 |
| Markus Mueller | Male | Colorado | 1 |
| Bob Murphy | Male | Hawaii | 1 |
| Jeason Murphy | Male | Carbondale, CO | 5 |
| Philip Murphy | Male | Glenhaven, Australia | 3 |
| Brian Murray | Male | Albuquerque, NM | 3 |
| Ken Nakagawa | Male | Japan | 1 |
| John A. Nale | Male | Colorado | 1 |
| Yvonne Naughton | Female | La Conner, WA | 2 |
| Lyle Nay | Male | Park City, UT | 1 |
| Kevin Neadeau | Male | Colorado | 1 |
| Tim Neckar | Male | Texas | 1 |
| Yuki Negoro | Male | Fort Lee, NJ | 3 |
| Duane Nelson | Male | Oregon | 4 |
| James Nelson | Male | Utah | 6 |
| Luke Nelson | Male | Pocatello, ID | 1 |
| Olga Nevtrinos | Female | Issaquah, WA | 1 |
| Doug Newton | Male | Golden, CO | 7 |
| Jeff Nielsen | Male | Salt Lake City, UT | 1 |
| Thomas Nielsen | Male | California | 1 |
| Soken Nishina | Male | Itabashi, Japan | 1 |
| Kaori Niwa | Female | Kyoto, Japan | 1 |
| Christopher Nute | Male | Colorado | 2 |
| Charlie Nuttelman | Male | Colorado | 1 |
| Tom Nyce | Male | Arizona | 1 |
| Betsy Nye | Female | Truckee, CA | 19 |
| John Odle | Male | Boise, ID | 2 |
| Barry Oelrich | Male | Colorado | 1 |
| Brian Oestrike | Male | New Paltz, NY | 2 |
| Jitka O'farrell | Female | Lakewood, CO | 1 |
| Tetsuro Ogata | Male | Takamatsu, 37, Japan | 1 |
| John Paul Ogden | Male | Cedaredge, CO | 1 |
| Christine O'Gorman | Female | Westminster, CO | 1 |
| Kevin O'Grady | Male | Columbus, OH | 3 |
| Raymond Olexa | Male | Steamboat Springs, CO | 1 |
| Jason Oliver | Male | Crested Butte, CO | 2 |
| Barbara Olmer | Female | Denver, CO | 4 |
| Scott Olmer | Male | Denver, CO | 14 |
| Timothy Olson | Male | Oregon | 2 |
| Jose Orillac | Male | Panama, PAN | 1 |
| Robert Orr | Male | Arkansas | 1 |
| Roberta Orr | Female | Arkansas | 1 |
| Alexandra Ostaszewski | Female | Calgary, AB | 1 |
| Jean Paul Otmani | Male | 1 | |
| Raymond Overson | Male | Utah | 1 |
| Mark Oveson | Male | Louisville, CO | 2 |
| Michael Owen | Male | Pomeroy, OH | 2 |
| Kerry Owens | Female | District of Columbia | 1 |