Searched 21 events from September 17, 2005 to September 20, 2025
| Name | Gender | From | Finish Count |
|---|---|---|---|
| Sarah Pratt | Female | Boulder, CO | 1 |
| Rebecca Premus | Female | 1 | |
| Stephen Price | Male | Boulder, CO | 4 |
| Dana Prosser | Female | Boulder, CO | 4 |
| Samantha Raba | Female | Belmar, NJ | 1 |
| Alex Ramirez | Male | 1 | |
| Dominique Ramirez | Male | Boulder, CO | 1 |
| Craig Randall | Male | Boulder, CO | 5 |
| Jackie Randell | Female | 1 | |
| Steve Rane | Male | 1 | |
| M.E. Rauch | Female | Boulder, CO | 8 |
| Nate Ready | Male | 1 | |
| Laurel Reckert | Female | Boulder, CO | 5 |
| Michael Reese | Male | Louisville, CO | 3 |
| Luke Reimer | Male | Boulder, CO | 1 |
| Kirstin Reischel | Female | 1 | |
| Karley Rempel | Female | Boulder, CO | 1 |
| Amy Reppert | Female | 1 | |
| Sierra Reschke | Female | Boulder, CO | 2 |
| Ava-Rae Resnik | Female | Boulder, CO | 1 |
| Dan Rice | Male | Boulder, CO | 4 |
| Abel Richards | Male | Milwaukee, WI | 2 |
| Kyle Richardson | Male | Boulder, CO | 4 |
| Michael Rickers | Male | 1 | |
| Jon Riebkes | Male | 1 | |
| Bronson Riseng | Male | Boulder, CO | 1 |
| Rosby Robinson | Male | Albuquerque, NM | 1 |
| Ayana Rodgers | Female | Aurora, CO | 1 |
| Coffi Rodgers | Male | Aurora, CO | 1 |
| Kurt Roeser | Male | Boulder, CO | 3 |
| J Rogers | Male | Boulder, CO | 2 |
| Janet Rooney | Female | 1 | |
| Eva Rosenbloom-Bol | Female | 2 | |
| Greg Ross | Male | 1 | |
| Raoul Rossiter | Male | Broomfield, CO | 3 |
| Kate Roth | Female | 1 | |
| Peter Roth | Male | 1 | |
| Ryan Roth | Male | 1 | |
| Linda Rowan | Female | 2 | |
| Coby Royer | Male | 1 | |
| Maria Rubio | Female | 1 | |
| Kirsten Ruiz | Female | Boulder, CO | 5 |
| Tim Runyon | Male | 1 | |
| Elsa Russell | Female | Boulder, CO | 2 |
| Kathryn Russell | Female | Louisville, CO | 1 |
| Jake Ruttinger | Male | 1 | |
| Zachary Ryerson | Male | Boulder, CO | 1 |
| Sandro Sacerdoti | Male | Boulder, CO | 1 |
| Cherilyn Sackal | Female | Boulder, CO | 1 |
| Jed Salazar | Male | Boulder, CO | 1 |