Searched 9 events from October 21, 2017 to October 18, 2025
| Name | Gender | From | Finish Count |
|---|---|---|---|
| Kimberly Jacobs | Female | Denver, CO | 1 |
| Lauren Jacobson | Female | Fort Collins, CO | 1 |
| Jacob Jameson | Male | Golden, CO | 1 |
| Danielle Janarek | Female | Fort Collins, CO | 1 |
| Ken Jarman | Male | Loveland, CO | 1 |
| Lee Jarvis | Male | Chicago, IL | 1 |
| Shane Jeckel | Male | Fort Collins, CO | 1 |
| William Jenkins | Male | Truckee, CA | 1 |
| Andrea Jenney | Female | Fort Collins, CO | 1 |
| Natalie Jetensky | Female | Tekamah, NE | 1 |
| Nick Jevahirian | Male | Denver, CO | 1 |
| Tyler Jimeno | Male | Denver, CO | 1 |
| Justin Johns | Male | Lead, SD | 1 |
| Brandon Johnson | Male | Des Moines, IA | 1 |
| Brian Johnson | Male | Aspen, CO | 1 |
| Evan Johnson | Male | Laramie, WY | 1 |
| Ishmael Johnson | Male | Fort Collins, CO | 1 |
| Jonathan Johnson | Male | Cheyenne, WY | 1 |
| Katelyn Johnson | Female | Fort Collins, CO | 2 |
| Lexa Johnson | Female | Littleton, CO | 1 |
| Michael Johnson | Male | Broomfield, CO | 1 |
| Zach Johnson | Male | Fort Collins, CO | 1 |
| Katie Jones | Female | Loveland, CO | 1 |
| Christopher Jorde | Male | Boulder, CO | 1 |
| John Joseph | Male | Golden, CO | 1 |
| Jay Jump | Male | Thornton, CO | 1 |
| Kevin Jute | Male | Boulder, CO | 1 |
| Paul Kacsmar | Male | Longmont, CO | 2 |
| Olivia Kail | Female | Denver, CO | 1 |
| Stefan Kalbli | Male | Greenwood Village, CO | 1 |
| Natalie Kalin | Female | Colorado Springs, CO | 1 |
| Kailan Kalina | Female | Boulder, CO | 1 |
| Paul Kammeyer | Male | Wellington, CO | 1 |
| Pete Kardasis | Male | Arvada, CO | 1 |
| Pat Kargol | Female | Lyons, CO | 1 |
| George Kasch | Male | Silverthorne, CO | 1 |
| Brendon Kay | Male | Golden, CO | 1 |
| Maggie Kayser | Female | Brighton, CO | 1 |
| Karl Keas | Male | Fort Collins, CO | 1 |
| Erin Keilman | Female | Fort Collins, CO | 1 |
| Michael Keilman | Male | Boulder, CO | 1 |
| Charissa Kenny | Female | Fort Collins, CO | 1 |
| Stefanie Kenny | Female | Boulder, CO | 1 |
| Meghan Kent | Female | Laramie, WY | 1 |
| Kiran Khadka | Male | Fort Collins, CO | 2 |
| Dzmitry Khitrykau | Male | Fort Collins, CO | 2 |
| Christopher Kiel | Male | Frisco, CO | 1 |
| Noah Kieser | Male | Longmont, CO | 1 |
| Olga King | Female | Colorado Springs, CO | 1 |
| Alex Kinnaman | Male | Fort Collins, CO | 1 |