Searched 17 events from July 25, 2015 to July 26, 2025
| Name | Gender | From | Finish Count |
|---|---|---|---|
| Doug Bachman | Male | Boulder, CO | 4 |
| Marci Backus | Female | Denver, CO | 1 |
| Taylor Bacon | Female | Fort Collins, CO | 2 |
| Matthew Baier | Male | Windsor, CO | 1 |
| Brannic Bailey | Male | Fort Collins, CO | 1 |
| Chad Bailey | Male | Grapevine, TX | 1 |
| Kristen Bailey | Female | Winter Park, CO | 1 |
| Andrew Bainbridge | Male | Denver, CO | 3 |
| Jason Baker | Male | Carver, MA | 1 |
| Skyler Baker | Male | Chattanooga, TN | 1 |
| Rachel Ballard | Female | Chicago, IL | 1 |
| Joel Ballezza | Male | Tacoma, WA | 1 |
| Carrie Bandell | Female | Centennial, CO | 1 |
| Trevor Banks | Male | Arvada, CO | 1 |
| Collin Bantle | Male | Fort Collins, CO | 2 |
| Dave Baran | Male | Boulder, CO | 1 |
| Elliott Barcikowski | Male | Salt Lake City, UT | 1 |
| Frederic Bard | Male | Fort Collins, CO | 1 |
| Jessica Bard | Female | Fort Collins, CO | 1 |
| Cody Bare | Male | Broomfield, CO | 2 |
| Jonathan Barker | Male | Boulder, CO | 1 |
| Paul Barnes | Male | San Francisco, CA | 1 |
| Grant Barnette | Male | Alta, UT | 1 |
| Rudi Barone III | Male | Broomfield, CO | 1 |
| Nathaniel Barr | Male | Washington, DC | 1 |
| Tim Barr | Male | Arvada, CO | 2 |
| Andrew Barrett | Male | Tampa, FL | 3 |
| Fanny Barrette | Female | Calgary, AB | 1 |
| Ben Barthel | Male | Broomfield, CO | 2 |
| Tegan Bartholomew Brown | Female | Boulder, CO | 1 |
| Mickey Bartkowiak | Male | Fort Collins, CO | 1 |
| Caitlin Bartkus | Female | Fort Collins, CO | 1 |
| Ethan Bartle | Male | Denver, CO | 1 |
| Hannah Barton | Female | Boulder, CO | 2 |
| Maria Barton | Female | Apple Valley, MN | 2 |
| Stephen Barton | Male | Fort Collins, CO | 1 |
| David Barylak | Male | Fort Collins, CO | 1 |
| Cynthia Bass | Female | Fort Collins, CO | 1 |
| Nicholas Bassett | Male | Cheyenne, WY | 1 |
| Michael Basuini | Male | Chattanooga, TN | 1 |
| Ben Bates | Male | Lakewood, CO | 2 |
| Mary Baughman | Female | Boulder, CO | 1 |
| James Baumhover | Male | Cheyenne, WY | 2 |
| Aryn Baxter | Female | Fort Collins, CO | 1 |
| Brian Bayer | Male | Denver, CO | 1 |
| Keavy Baylor | Female | Washington, DC | 1 |
| Garrett Bazzell | Male | Osceola, IA | 1 |
| Sam Beal | Male | Estes Park, CO | 3 |
| Douglas Beattie | Nonbinary | Darien, IL | 1 |
| Matthew Beattie | Male | Portland, ME | 1 |