Searched 17 events from July 25, 2015 to July 26, 2025
| Name | Gender | From | Finish Count |
|---|---|---|---|
| Chris Blackwell | Male | Breckenridge, CO | 1 |
| Ashley Blakemore | Female | Conifer, CO | 2 |
| Conan Blakemore | Male | Conifer, CO | 3 |
| Dan Blankenship | Male | Loveland, CO | 1 |
| Jon Blankenship | Male | Columbia Falls, MT | 1 |
| Tommy Blanton | Male | Lincoln, NE | 1 |
| Heather Blatchley | Female | Niwot, CO | 1 |
| Andy Blatecky | Male | Golden, CO | 3 |
| Jessica Blatecky | Female | Golden, CO | 2 |
| Philip Blechertas | Male | Oceanside, CA | 1 |
| Kent Blobaum | Male | Omaha, NE | 1 |
| Clarissa Bock | Female | Denver, CO | 1 |
| Stacy Bocskor | Female | Westminster, CO | 1 |
| Louis Bodin | Male | Boulder, CO | 2 |
| Taylor Bodin | Male | Estes Park, CO | 2 |
| Michael Boehmer | Male | Boulder, CO | 1 |
| David Boersma | Male | Wheat Ridge, CO | 1 |
| Damjan Bogdanovic | Male | Boulder, CO | 1 |
| Charles Boggs | Male | Fort Collins, CO | 1 |
| Dustin Boggs | Male | Fort Collins, CO | 1 |
| Jesse Boisaubin | Male | Milwaukie, OR | 1 |
| Griffin Bojan | Male | Seattle, WA | 1 |
| John Bojan | Male | Highland Park, IL | 1 |
| Olivia Bojan | Female | Fort Collins, CO | 2 |
| Jeff Bollman | Male | Loveland, CO | 2 |
| Matthew Bondurant | Male | Superior, CO | 1 |
| Daniel Bondy | Male | Short Hills, NJ | 1 |
| Brent Boos | Male | Boulder, CO | 1 |
| Kay Borleis | Female | Boulder, CO | 2 |
| David Born | Male | Fort Collins, CO | 3 |
| Devon Bortfeld | Female | Fort Collins, CO | 1 |
| Courtney Bouchet | Female | Fort Collins, CO | 1 |
| Denise Bourassa | Female | Lakewood, CO | 1 |
| Justin Bourn | Male | Denver, CO | 1 |
| Gary Bowen | Male | Castle Rock, CO | 1 |
| Joshua Bowen | Male | Fort Carson, CO | 1 |
| David Boyd | Male | Fort Collins, CO | 1 |
| Brian Boyes | Male | Fort Collins, CO | 2 |
| Breann Boyle | Female | Louisville, CO | 1 |
| Bryan Boyle | Male | Gunnison, CO | 1 |
| Chris Boyle | Male | Osage Beach, MO | 1 |
| Addie Bracy | Female | Longmont, CO | 2 |
| Bert Braden | Male | Santa Rosa, CA | 1 |
| Jeremy Bradford | Male | Denver, CO | 2 |
| William Bradley | Male | Loveland, CO | 1 |
| Chris Brady | Female | Bedford, TX | 1 |
| Colin Brady | Male | Grand Junction, CO | 1 |
| Kelly Brady | Female | Longmont, CO | 1 |
| Shawn Brady | Male | Fort Collins, CO | 1 |
| Greg Braeger | Male | Colorado Springs, CO | 1 |