Searched 17 events from July 25, 2015 to July 26, 2025
| Name | Gender | From | Finish Count |
|---|---|---|---|
| Patricia Beaty | Female | Park City, UT | 1 |
| Heidi Beauchamp | Female | Lakewood, CO | 2 |
| Jacob Bebo | Male | Berthoud, CO | 1 |
| Sarah Beck | Female | Fort Collins, CO | 1 |
| Saskia Becker | Female | Fort Collins, CO | 1 |
| Mikal Beckman | Female | Steamboat Springs, CO | 1 |
| Tori Beckwith | Female | Fort Collins, CO | 3 |
| Kelsy Been | Female | Marble, CO | 1 |
| Annie Behrend | Female | Rochester, MN | 1 |
| Lee Anne Belcourt | Female | Squamish, BC | 1 |
| Lauren Bell | Female | Denver, CO | 1 |
| John Bello | Male | Tempe, AZ | 1 |
| Mike Belloni | Male | Indianapolis, IN | 1 |
| Jimmy Beltz | Male | Wayzata, MN | 1 |
| Miles Benevich | Male | San Antonio, TX | 1 |
| Sean Benjamin | Male | Boulder, CO | 1 |
| Mohamed Faouzi Ben Majed | Male | La Marsa, Tunisia | 1 |
| Pat Benner | Male | Superior, CO | 1 |
| Drew Bennion | Male | Gilbert, AZ | 1 |
| Jenna Bensko | Female | Fort Collins, CO | 2 |
| Michael Bepristis | Male | Arvada, CO | 1 |
| Jamie Berard | Male | San Juan Capistrano, CA | 1 |
| Matthew Berdine | Male | Centennial, CO | 1 |
| Chris Berg | Male | Denver, CO | 1 |
| Lindsay Bergman | Female | Vail, CO | 1 |
| Diane Bergstedt | Female | Fort Collins, CO | 2 |
| Colin Berry | Male | Kangaroo Valley, TAS, Australia | 1 |
| Larkin Berry | Male | Boulder, CO | 1 |
| Matthew Berry | Male | Louisville, CO | 1 |
| Tarne Berry | Female | Kangaroo Valley | 1 |
| Kim Bessler | Female | Lakewood, CO | 1 |
| Guillermo Bethencourt | Male | Spain | 1 |
| Donald Beuke | Male | Broomfield, CO | 1 |
| Peter Bianco | Male | Leawood, KS | 1 |
| Debbie Bibb | Female | Florissant, CO | 1 |
| Ben Bibee | Male | Estes Park, CO | 1 |
| Rachel Biber-Brewer | Female | Golden, CO | 1 |
| Michael Bigelow | Male | Golden, CO | 1 |
| Sandra Biller | Female | Laramie, WY | 1 |
| Travis Bilou | Male | Edmonton, AB | 1 |
| James Bird | Male | Kansas City, MO | 1 |
| Cassady Birdsong | Female | Fort Collins, CO | 1 |
| Daniel Biro | Male | Broomfield, CO | 1 |
| Garrett Bischof | Male | Fort Collins, CO | 1 |
| David Bisenius | Male | Boulder, CO | 1 |
| Matthew Bitters | Male | Golden, CO | 1 |
| Jeff Black | Male | Boise, ID | 1 |
| Scott Black | Male | Lexington, KY | 1 |
| Vince Black | Male | Fort Collins, CO | 1 |
| Michelle Blackard | Female | Flagstaff, AZ | 1 |