Searched 16 events from May 13, 2017 to May 11, 2024
| Name | Gender | From | Finish Count |
|---|---|---|---|
| Matt Beard | Male | Spokane, WA | 1 |
| Douglas Beattie | Nonbinary | Darien, IL | 1 |
| Heidi Beauchamp | Female | Lakewood, CO | 3 |
| David Beaudway | Male | Denver, CO | 1 |
| Jacob Bebo | Male | Berthoud, CO | 1 |
| Sarah Beck | Female | Fort Collins, CO | 2 |
| Jill Becker | Female | Lafayette, CO | 1 |
| Lindsey Beddard | Female | Longmont, CO | 1 |
| Eric Begay | Male | Gallup, NM | 1 |
| Lauren Bell | Female | Denver, CO | 1 |
| John Bender | Male | Fort Collins, CO | 1 |
| Blaine Benitez | Male | Salt Lake City, UT | 1 |
| Daniel Benitez | Male | Boulder, CO | 3 |
| Dean Bennett | Male | Fort Collins, CO | 1 |
| Karen Bennett | Female | Fort Collins, CO | 1 |
| Jenna Bensko | Female | Fort Collins, CO | 2 |
| Katie Benzel | Female | Colorado Springs, CO | 1 |
| Michael Bepristis | Male | Arvada, CO | 5 |
| Shelby Berg | Female | Colorado Springs, CO | 1 |
| Jim Berger | Male | Cedar Rapids, IA | 2 |
| Steve Berger | Male | Marion, IA | 1 |
| Diane Bergstedt | Female | Fort Collins, CO | 5 |
| Larkin Berry | Male | Boulder, CO | 1 |
| Kim Bessler | Female | Lakewood, CO | 1 |
| Harmonie Bettenhausen | Female | Fort Collins, CO | 2 |
| Lee Betty | Male | Broomfield, CO | 1 |
| Donald Beuke | Male | Broomfield, CO | 4 |
| Debbie Bibb | Female | Florissant, CO | 1 |
| Kenneth Biddison | Male | Aurora, CO | 1 |
| Jennifer Bieber | Female | Johnstown, CO | 1 |
| Ann Biegelsen | Female | Fort Collins, CO | 1 |
| Brock Bigard | Male | Erie, CO | 1 |
| Michael Bigelow | Male | Golden, CO | 1 |
| Sandra Biller | Female | Laramie, WY | 1 |
| Heather Bilyeu | Female | Boulder, CO | 1 |
| Mary Bingham Chee | Female | Golden, CO | 1 |
| Garrett Bischof | Male | Fort Collins, CO | 1 |
| Brad Bishop | Male | Denver, CO | 1 |
| Matthew Bitters | Male | Golden, CO | 1 |
| Mark Bivins | Male | Denver, CO | 1 |
| Garrett Black | Male | Kaysville, UT | 1 |
| Catherine Bladow | Female | Fort Collins, CO | 1 |
| Cayti Blair | Female | Loveland, CO | 1 |
| Whit Blair | Male | Grand Junction, CO | 1 |
| Heather Blatchley | Female | Niwot, CO | 3 |
| Robert Blatchley | Male | Niwot, CO | 1 |
| Andy Blatecky | Male | Golden, CO | 1 |
| Dudley Blauwet | Male | Louisville, CO | 5 |
| Jarrett Bleicher | Male | Fort Collins, CO | 1 |
| Katie Bliss | Female | Bayport, MN | 1 |