Searched 18 events from May 13, 2017 to May 10, 2025
| Name | Gender | From | Finish Count |
|---|---|---|---|
| Blair Aakre | Male | Thornton, CO | 1 |
| Tara Abbaticchio | Female | Carbondale, CO | 1 |
| Brent Abbott | Male | Boulder, CO | 1 |
| Greg Abrahamson | Male | Longmont, CO | 1 |
| Robert Ackart | Male | Teton Village, WY | 1 |
| Kasey Ackerman | Male | Loveland, CO | 1 |
| Nicholas Ackermann | Male | Austin, TX | 1 |
| Andrew Ackles | Male | Windsor, CO | 1 |
| Allen Adams | Male | Fort Collins, CO | 1 |
| Blaine Adams | Male | San Antonio, TX | 1 |
| Michael Adams | Male | Lakewood, CO | 1 |
| Sarah Adams | Female | Denver, CO | 1 |
| Ivan Aguilar | Male | Brooklyn, NY | 1 |
| Imogen Ainsworth | Female | Durango, CO | 2 |
| Christy Aish | Female | Conifer, CO | 2 |
| Ramon Ajero | Male | Fort Collins, CO | 1 |
| Camille Akemann | Female | Aurora, CO | 1 |
| Jordan Akiyoshi | Male | Los Gatos, CA | 2 |
| Rylee Aksamit | Female | Fort Collins, CO | 1 |
| Jeff Albert | Male | Windsor, CO | 5 |
| Deborah Alexander | Female | Loveland, CO | 2 |
| Costa Alimonos | Male | Windsor, CO | 1 |
| Elodie Allard | Female | New Orleans, LA | 1 |
| Amber Allen | Female | Louisville, CO | 1 |
| Christopher Allen | Male | Huntley, IL | 1 |
| Emily Allen | Female | Loveland, CO | 1 |
| Matthew Allen | Male | Lawrence, KS | 1 |
| Rachel Allen | Female | Montrose, CO | 1 |
| Gil Allgood | Male | Colorado Springs, CO | 1 |
| Jordan Allison | Male | Loveland, CO | 2 |
| Allison Alston | Female | Raleigh, NC | 1 |
| Glenn Altemose | Male | Windsor, CO | 1 |
| Andy Altepeter | Male | Boulder, CO | 1 |
| Michelle Alvarez | Female | Fort Collins, CO | 1 |
| Kosuke Amano | Male | Fort Collins, CO | 1 |
| Alexandra Ambros | Female | Hartland, VT | 1 |
| Alexandra Ameen | Female | Fort Collins, CO | 1 |
| Kayla Amin | Female | Boulder, CO | 1 |
| Sara Amish | Female | Lakewood, CO | 1 |
| Clint Anders | Male | Fort Collins, CO | 4 |
| Sophie Anders | Female | Fort Collins, CO | 2 |
| Jack Anderson | Male | Denver, CO | 2 |
| Marie Anderson | Female | Steamboat Springs, CO | 1 |
| Matt Anderson | Male | Englewood, CO | 1 |
| Matthew Anderson | Male | Highlands Ranch, CO | 1 |
| Ryan Anderson | Male | Fort Collins, CO | 1 |
| Sten Anderson | Male | Bozeman, MT | 2 |
| Travis Anderson | Male | Colorado Springs, CO | 1 |
| Steven Andersson | Male | Stillwater, MN | 1 |
| Joshua Andert | Male | Edgewater, CO | 2 |