Searched 17 events from July 25, 2015 to July 26, 2025
| Name | Gender | From | Finish Count |
|---|---|---|---|
| Katie Kutner | Female | Chattanooga, TN | 1 |
| Ben Kutsch | Male | Clark, CO | 2 |
| Dave Kwiatkowski | Male | Seattle, WA | 1 |
| Griffin Labonte | Male | San Diego, CA | 1 |
| Brunza LaBore | Male | Eaton, CO | 1 |
| Greg Lackey | Male | Boulder, CO | 1 |
| Jeremiah Lackey | Male | Chattanooga, TN | 1 |
| John Lacroix | Male | Thornton, CO | 2 |
| Ryan Lagerquist | Male | Boulder, CO | 5 |
| Tori Laggett | Female | Castle Rock, CO | 1 |
| Adil Lakhani | Male | Chicago, IL | 1 |
| Alyssa Laliberte | Female | Steamboat Springs, CO | 1 |
| Corey Lamb | Male | Manchester, MO | 1 |
| James Lambert | Male | Saint Louis, MO | 1 |
| Jonathan Lambert | Male | Oklahoma City, OK | 1 |
| Sheryl Lampert | Female | Denver, CO | 1 |
| Gary Lampman | Male | Ridgway, PA | 1 |
| Brian Lancaster | Male | Fort Collins, CO | 1 |
| Jp Lande | Male | Black Hawk, CO | 1 |
| Claudia Landeros | Female | San Antonio, TX | 1 |
| Lexi Landers | Female | Helena, MT | 1 |
| Zach Landis | Male | Lancaster, PA | 1 |
| Frank Lane | Male | Easton, PA | 1 |
| Anne Lang | Female | Gahanna, OH | 1 |
| Travis Lange | Male | Durango, CO | 2 |
| Barrett Langton | Male | Denver, CO | 1 |
| Greg Lanier | Male | Fort Worth, TX | 1 |
| Keri Lanzarotta | Female | West Islip, NY | 2 |
| Mike Lapointe | Male | Boulder, CO | 1 |
| Tessa Lapray | Female | Fort Collins, CO | 1 |
| Kristen Lariviere | Female | Colorado Springs, CO | 1 |
| Fiona Larsen | Female | Lakewood, CO | 1 |
| Alexander Larson | Male | South Lake Tahoe, CA | 1 |
| Charity Larson | Female | Fort Collins, CO | 2 |
| Natalie Larson | Female | Denver, CO | 1 |
| Ryan Larson | Male | Steamboat Springs, CO | 2 |
| Tracy Larson | Female | Breckenridge, CO | 1 |
| Becki Lynn Lassley | Female | Littleton, CO | 3 |
| Liz Lata | Female | Steamboat Springs, CO | 1 |
| Sophie Lattes | Female | Boulder, CO | 1 |
| Nicole Laughton | Female | Edmond, OK | 1 |
| Malia Lawrence | Female | Fort Collins, CO | 2 |
| Jacob Layer | Male | Laramie, WY | 1 |
| Kendra Layton | Female | Lakewood, CO | 1 |
| Sophie Leach | Female | Bozeman, MT | 1 |
| Wil Leavitt | Male | Plainfield, NH | 1 |
| Julia Ledford | Female | Silverton, CO | 1 |
| Stephen Ledford | Male | Fort Collins, CO | 2 |
| Daniel Lee | Male | Fort Collins, CO | 2 |
| David Lee | Male | Boulder, Co, CO | 1 |