Searched 27 events from September 24, 1999 to September 26, 2025
| Name | Gender | From | Finish Count |
|---|---|---|---|
| Mary Ritz | Female | 1 | |
| Rob Rives | Male | Richmond, VT | 1 |
| Christopher Roach | Male | North Salt Lake, UT | 2 |
| Alan Roark | Male | Tulsa, OK | 1 |
| David Robb | Male | Taylor, UT | 1 |
| William Robb | Male | Anthem, AZ | 1 |
| Brian Robbins | Male | American Fork, UT | 1 |
| John Robbins | Male | Vineyard, UT | 1 |
| Mark Robbins | Male | Cottonwood Heights, UT | 4 |
| Willie Roberson | Male | Memphis, TN | 1 |
| Simon Roberts | Male | Morrison, CO | 1 |
| Vince Roberts | Male | Evanston, IL | 1 |
| Alex Robertson | Male | Louisville, CO | 1 |
| Riley Robertson | Male | San Diego, CA | 1 |
| Troy Robertson | Male | South Jordan, UT | 2 |
| Daniel Robinson | Male | Lake Forest, IL | 1 |
| Max Robinson | Male | Fruita, CO | 1 |
| Peyton Robinson | Male | 1 | |
| Casey Robles | Male | Orem, UT | 1 |
| James Roche | Male | Fruita, CO | 1 |
| James Rochelle | Male | 1 | |
| Rick Rochelle | Male | Lander, WY | 2 |
| Shannon Rochelle | Female | Lander, WY | 3 |
| Shanna Rodenbaugh | Female | Kingman, AZ | 1 |
| Enrique Rodriguez | Male | Mexico DF, MEX, Mexico | 1 |
| Geoff Roes | Male | Alaska | 1 |
| Jedediah Rogers | Male | Salt Lake City, UT | 1 |
| Christine Rohacz | Female | Palo Alto, CA | 1 |
| Eric Rohnacher | Male | Richmond, VA | 1 |
| Jeff Rome | Male | Missoula, MT | 2 |
| Ted Romero | Male | Boulder, CO | 1 |
| Shane Rominger | Male | Pocatello, ID | 2 |
| Vincent Romney | Male | Bluffdale, UT | 2 |
| Andy Rose | Male | Gunnison, CO | 1 |
| Rebekah Rose | Female | Lewiston, UT | 4 |
| Todd Rose | Male | Puryear, TN | 1 |
| Matt Ross | Male | Atlanta, GA | 1 |
| Wesley Ross | Male | West Jordan, UT | 1 |
| Josh Rosso | Male | Boulder, CO | 1 |
| Kara Roth | Female | Taylorsville, UT | 1 |
| Lucas Rounds | Male | N Logan, UT | 1 |
| Kevin Rowe | Male | South Jordan, UT | 5 |
| Emily Royal | Female | Shawnee, KS | 1 |
| Dmitry Rozinsky | Male | Austin, TX | 1 |
| Chris Rozmarin | Male | Colorado | 1 |
| Henry Rubenstein | Male | Salt Lake City, UT | 1 |
| Scott Rubinstein | Male | Littleton, CO | 1 |
| Enrique Rubio | Male | Washington, DC | 1 |
| Dan Ruch | Male | St. George, UT | 2 |
| Jorge Rufat-Latre | Male | Boulder, CO | 1 |