Searched 28 events from July 10, 1992 to July 14, 2023
| Name | Gender | From | Finish Count |
|---|---|---|---|
| Ryan Cooper | Male | Boulder, CO | 2 |
| Devin Corcoran | Male | California | 1 |
| Ben Corrales | Male | Springville, UT | 2 |
| Mark Cosmas | Male | Arizona | 1 |
| Helen Cospolich | Female | Breckenridge, CO | 1 |
| Jamil Coury | Male | Phoenix, AZ | 6 |
| Nick Coury | Male | Scottsdale, AZ | 6 |
| Nathaniel Couture | Male | Fredericton, NB | 1 |
| Adrian Crane | Male | Modesto, CA | 1 |
| Stephen Cross | Male | California | 1 |
| Bob Crowley | Male | Fair Oaks, CA | 2 |
| Jose Cruz | Male | West Valley, UT | 1 |
| Gary Cuffin | Male | Conifer, CO | 2 |
| Brian Culmo | Male | Cedar Hills, UT | 1 |
| Anthony Culpepper | Male | Silverton, CO | 4 |
| Sean Cunniff | Male | New Mexico | 3 |
| Tyler Curiel | Male | San Antonio, TX | 16 |
| Dan Curley | Male | San Diego, CA | 3 |
| Garry Curry | Male | Colorado | 3 |
| Dick Curtis | Male | Colorado | 5 |
| Allen Czecholinski | Male | Wisconsin | 2 |
| Flavio Dalbosco | Male | United States | 3 |
| Courtney Dauwalter | Female | Denver, CO | 2 |
| Cliff Davies | Male | Ontario | 1 |
| Jeff Davis | Male | Nashville, TN | 1 |
| Jon Davis | Male | Frederick, CO | 1 |
| Kevin Davis | Male | Livingston, MT | 5 |
| Loren Davis | Male | Bozeman, MT | 1 |
| Luis De Arriba India | Male | Spain | 1 |
| Ken DeBeer | Male | Missouri | 1 |
| James Demer | Male | Maine | 1 |
| John Demorest | Male | California | 1 |
| Aaron Denberg | Male | Wyoming | 2 |
| Ricky Denesik | Male | Telluride, CO | 7 |
| Rich DeSimone | Male | Montana | 1 |
| Ferdinand De Souza | Male | New Mexico | 1 |
| Yves Detry | Male | 1 | |
| John DeWalt | Male | Pennsylvania | 14 |
| Francois D'Haene | Male | United States | 2 |
| Yassine Diboun | Male | Portland, OR | 1 |
| Josh Dickson | Male | District of Columbia | 3 |
| David Dirito | Male | North Carolina | 1 |
| David Dixson | Male | New Mexico | 1 |
| Mike Dobies | Male | Michigan | 9 |
| Jay Dobrowalski | Male | California | 1 |
| Wendell Doman | Male | California | 4 |
| Javiee Dominguez | Male | Vitoria-Gasteiz, Spain | 1 |
| Kathy D'Onofrio-Woods | Female | 1 | |
| Kevin Douglas | Male | Washington | 1 |
| Steve Douglas | Male | California | 1 |