Searched 17 events from July 25, 2015 to July 26, 2025
| Name | Gender | From | Finish Count |
|---|---|---|---|
| Roderick Roberts | Male | Black Hawk, CO | 1 |
| Alex Robertson | Male | Louisville, CO | 1 |
| Riley Robertson | Male | San Diego, CA | 1 |
| Jeremy Robinette | Male | Colorado Springs, CO | 1 |
| Brent Robinson | Male | McKinney, TX | 3 |
| Eric Robinson | Male | Wheat Ridge, CO | 1 |
| Chris Roche | Male | Mandeville, LA | 1 |
| Michael Rock | Male | Fort Collins, CO | 2 |
| James Rockwell | Male | Signal Mountain, TN | 1 |
| Kyle Rodemacher | Male | Austin, TX | 1 |
| Perry Rodenbeck | Male | Fort Collins, CO | 1 |
| Alison Rodgers | Female | Denver, CO | 1 |
| Maxwell Rodgers | Male | Denver, CO | 1 |
| Cody Rodrigues | Male | Boulder, CO | 1 |
| Vince Rogers | Male | Crested Butte, CO | 1 |
| Charles Rojo | Male | Grand Junction, CO | 1 |
| Peter Rolfe | Male | Fort Collins, CO | 1 |
| Laura Rollins | Female | Clyde, NC | 1 |
| Mark Rollins | Male | Clyde, NC | 1 |
| Christopher Rom | Male | Fort Collins, CO | 1 |
| Zoe Rom | Female | Carbondale, CO | 1 |
| Vicki Romanin | Female | Whistler, BC | 1 |
| Julia Romero | Female | Boulder, CO | 1 |
| Ted Romero | Male | Boulder, CO | 2 |
| Vail Rooney | Male | Golden, CO | 1 |
| Sheri Rosa | Female | Thornton, CO | 1 |
| Andrew Rose | Male | Longmont, CO | 1 |
| Stephanie Rose | Female | Lakewood, CO | 1 |
| Daniel Rosen | Male | Boulder, CO | 1 |
| Jeff Rosno | Male | Lakewood, CO | 2 |
| Issac Ross | Male | Madison, WI | 1 |
| Jordon Ross | Female | Glenwood Springs, CO | 1 |
| Matthew Ross | Male | Fort Collins, CO | 1 |
| Taylor Ross | Male | Lakewood, CO | 1 |
| Zachary Roth | Male | Boulder, CO | 1 |
| Bryce Rothhammer | Male | Austin, TX | 1 |
| Lizzy Rouce | Female | Denver, CO | 1 |
| Darlene Rouleau | Female | Fort Collins, CO | 1 |
| Wayne Rousseau II | Male | Erie, CO | 3 |
| Wayne Routten | Male | Boulder, CO | 1 |
| Jennifer Roy | Female | Mint Hill, NC | 1 |
| Jason Rubek | Male | Fort Collins, CO | 1 |
| David Rubin | Male | Fort Collins, CO | 1 |
| Scott Rubinstein | Male | Littleton, CO | 6 |
| Veronica Rudolphi | Female | Tucson, AZ | 1 |
| Gwen Rudy | Female | Leadville, CO | 1 |
| Ritzy Running | Female | Estes Park, CO | 1 |
| Tracie Rupert | Female | Erie, CO | 2 |
| Ryan Rushing | Male | Fort Collins, CO | 6 |
| Chris Russell | Male | San Antonio, TX | 1 |