Searched 17 events from July 25, 2015 to July 26, 2025
| Name | Gender | From | Finish Count |
|---|---|---|---|
| Mark Simmons | Male | Steamboat Springs, CO | 1 |
| Matt Simmons | Male | Superior, CO | 1 |
| Ryan Simmons | Male | Edwards, CO | 1 |
| Jake Simon | Male | Longmont, CO | 1 |
| Stewart Simon | Male | Shreveport, LA | 1 |
| Tom Simonds | Male | Leesburg, VA | 1 |
| Amanda Simpson | Female | Golden, CO | 1 |
| Katie Simpson | Female | Fort Collins, CO | 1 |
| Grace Sims | Female | Lakewood, CO | 1 |
| Jane Sindell | Female | Phippsburg, CO | 2 |
| Laurel Sindewald | Female | Denver, CO | 1 |
| Jack Singer | Male | Delmar, NY | 1 |
| Ryan Singman | Male | Clifton, VA | 1 |
| Greg Sisengrath | Male | Allen, TX | 1 |
| Hans Sitarz | Male | Castle Rock, CO | 1 |
| Joe Sitta | Male | Farmington, NM | 1 |
| Toni Sitta | Female | Farmington, NM | 1 |
| Andy Sivanich | Male | Colorado Springs, CO | 1 |
| Lindsey Sizemore | Female | Decatur, GA | 1 |
| Rebecca Sjostrom | Female | Anchorage, AK | 1 |
| Sam Skeels | Male | Adrian, MI | 1 |
| Adam Skoranski | Male | Ft. Collins, CO | 1 |
| Kamil Skwarek | Male | Boulder, CO | 1 |
| Kim Slate | Female | Portland, OR | 1 |
| Meghan Slattery | Female | Denver, CO | 1 |
| Steve Slauson | Male | Fort Collins, CO | 1 |
| Jake Slawson | Male | Golden, CO | 1 |
| Marek Slipski | Male | Boulder, CO | 1 |
| Kathy Sloan | Female | Palm City, FL | 1 |
| Gabriel Small | Male | Steamboat Springs, CO | 1 |
| Steve Small | Male | Las Cruces, NM | 1 |
| Brooke Smetanka | Female | Denver, CO | 1 |
| Karen Smidt | Female | Brighton, CO | 1 |
| Kevin Smilor | Male | Denver, CO | 1 |
| Aaron Smith | Male | Longmont, CO | 4 |
| Alan Smith | Male | Estes Park, CO | 3 |
| Brian Smith | Male | Waterford, PA | 1 |
| Christopher Smith | Male | Austin, TX | 1 |
| Greg Smith | Male | Fort Collins, CO | 3 |
| Jason Smith | Male | Carbondale, CO | 1 |
| Jeremy Smith | Male | Fort Collins, CO | 1 |
| Kevin Smith | Male | Lafayette, CO | 2 |
| Larry Smith | Male | Arvada, CO | 1 |
| Paul Smith | Male | Colorado Springs, CO | 1 |
| Ryan Smith | Male | Boulder, CO | 1 |
| Shannon Smith | Female | Fort Collins, CO | 1 |
| Andrew Smola | Male | Wildwood, MO | 2 |
| Erika Snyder | Female | Boulder, CO | 1 |
| Gretchen Snyder | Female | Boulder, CO | 1 |
| Philip Snyder | Male | Denver, CO | 2 |