Searched 9 events from October 21, 2017 to October 18, 2025
| Name | Gender | From | Finish Count |
|---|---|---|---|
| Kris Bhatti | Female | Lyons, CO | 1 |
| Paul Bierwirth | Male | Roswell, NM | 1 |
| Brock Bigard | Male | Erie, CO | 1 |
| Matt Bilhimer | Male | Olathe, KS | 1 |
| Brett Billings | Male | Colorado Springs, CO | 1 |
| James Bilodeau | Male | Loveland, CO | 3 |
| Adam Bingham | Male | Fort Collins, CO | 3 |
| Robby Bishop | Male | Dallas, TX | 2 |
| Sid Bittman | Male | Boulder, CO | 1 |
| Chelsea Bivens | Female | Fort Collins, CO | 1 |
| Stefan Blair | Male | Loveland, CO | 1 |
| Chip Blakely | Male | Superior, CO | 1 |
| Lauren Blanchette | Female | Littleton, CO | 1 |
| Mikkela Blanton | Female | Boulder, CO | 1 |
| Rachel Blanton | Female | Fort Collins, CO | 1 |
| Dudley Blauwet | Male | Louisville, CO | 1 |
| Ryan Blessing | Male | Denver, CO | 1 |
| Christopher Blevens | Male | Fort Collins, CO | 1 |
| Rebecca Blumberg | Female | Fort Collins, CO | 1 |
| Veronica Bocharova | Female | Fort Myers, FL | 1 |
| Taylor Bodin | Male | Estes Park, CO | 1 |
| Lesley Bodley | Female | Fort Collins, CO | 1 |
| Michael Bolt | Male | Hendersonville, TN | 1 |
| Angela Boltjes | Female | Fort Collins, CO | 1 |
| Amelia Boone | Female | Golden, CO | 1 |
| Monica Borges | Female | Fort Collins, CO | 1 |
| Kay Borleis | Female | Boulder, CO | 1 |
| Susan Bott | Female | Windsor, CO | 3 |
| Colette Boulet | Female | Flagstaff, AZ | 1 |
| Stephanie Bourdon | Female | Berthoud, CO | 1 |
| Chad Bowman | Male | Fort Collins, CO | 1 |
| Alec Boyd | Male | United Kingdom | 1 |
| David Boyd | Male | Fort Collins, CO | 1 |
| Samuel Boyer Groff | Male | Berthoud, CO | 1 |
| Hayden Boyle | Male | Windsor, CO | 1 |
| Ron Boyle | Male | Greeley, CO | 2 |
| Matty Boyles | Male | Loveland, CO | 2 |
| Ryan Brackley | Male | Boulder, CO | 1 |
| Addie Bracy | Female | Longmont, CO | 2 |
| Jeremy Bradford | Male | Denver, CO | 1 |
| Sean Bradley | Male | Fort Collins, CO | 1 |
| William Bradley | Male | Loveland, CO | 2 |
| Wes Bradshaw | Male | Fort Collins, CO | 2 |
| Shawn Brady | Male | Fort Collins, CO | 1 |
| Chris Branchflower | Male | Fort Collins, CO | 1 |
| Karen Brandenburg | Female | Denver, CO | 1 |
| Peter Brandes | Male | Niwot, CO | 1 |
| Jennifer Brandon | Female | Boulder, CO | 1 |
| Kimberly Brandon | Female | Colorado Springs, CO | 1 |
| Justin Brant | Male | Boulder, CO | 1 |