Searched 21 events from September 17, 2005 to September 20, 2025
| Name | Gender | From | Finish Count |
|---|---|---|---|
| Brook Koski | Female | Longmont, CO | 6 |
| Gabriela Koski | Female | Longmont, CO | 5 |
| Kraig Koski | Male | Longmont, CO | 7 |
| Marissa Koski | Female | San Diego, CA | 3 |
| Samantha Koski | Female | Longmont, CO | 5 |
| James Kovacs | Male | 1 | |
| Sarah Krakoff | Female | 1 | |
| Rodger Kram | Male | 1 | |
| Kendra Kreienbrink | Female | Boulder, CO | 3 |
| Anton Krupicka | Male | Boulder, CO | 1 |
| Peter Krzanowsky | Male | Evergreen, CO | 3 |
| Matthew Kwan | Male | Boulder, CO | 2 |
| Dima Kyle | Male | Superior, CO | 1 |
| Renee Labor | Female | 2 | |
| Catie Ladas | Female | Broomfield, CO | 1 |
| Lanny Ladner | Male | Erie, CO | 1 |
| Danielle Lafaille | Female | 1 | |
| Deb LaFauce | Female | Lakewood, CO | 1 |
| Andrew Lainis | Male | 2 | |
| Glenda Lainis | Female | Boulder, CO | 4 |
| Geri Lameman | Female | 1 | |
| Chris Lancaster | Male | Nashville, TN | 1 |
| Charlie Landherr | Male | 1 | |
| Julien Langou | Male | 1 | |
| Ted Lanzano | Male | Boulder, CO | 2 |
| Melissa Larkin | Female | Golen, CO | 1 |
| Sean Larkin | Male | Golen, CO | 1 |
| Madison Larter | Female | Boulder, CO | 2 |
| Matthew Laskowski | Male | Boulder, CO | 1 |
| Jorge Latre | Male | Boulder, CO | 1 |
| Sasha Laurie | Female | Boulder, CO | 1 |
| Jacob Lawrence | Male | Boulder, CO | 2 |
| Michael Lawson | Male | Boulder, CO | 1 |
| Molly Leader | Female | Boulder, CO | 2 |
| Lisa Ledet | Female | 5 | |
| Christopher Lee | Male | Boulder, CO | 1 |
| Eric Lee | Male | Boulder, CO | 1 |
| Heather Lee | Female | 1 | |
| Brian Lehman | Male | Boulder, CO | 1 |
| Dan Lehman | Male | 1 | |
| Dave Lehn | Male | Superior, CO | 4 |
| Thomas Lekan | Male | Denver, CO | 8 |
| Tom Lekan | Male | Denver, CO | 2 |
| Martin Le Roux | Male | Superior, CO | 4 |
| Leo Lesperance | Male | Erie, CO | 1 |
| Clifford Lester | Male | Boulder, CO | 1 |
| Addie Levinsky | Female | 1 | |
| Julia Lewis | Female | Fort Collins, CO | 1 |
| Isabelle Lheritier | Female | Boulder, CO | 1 |
| Yiran Li | Male | Boulder, CO | 1 |