Searched 20 events from September 17, 2005 to September 21, 2024
| Name | Gender | From | Finish Count |
|---|---|---|---|
| Matthew Laskowski | Male | Boulder, CO | 1 |
| Jorge Latre | Male | 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 |
| Yixin Li | Male | 2 | |
| Merilee Linfield | Female | 1 | |
| Eric LiPuma | Male | Boulder, CO | 1 |
| Delcia Litt | Female | 1 | |
| Miles Long | Male | 2 | |
| Alex Loomis | Male | Honolulu, HI | 1 |
| Katie Loomis | Female | Westminster, CO | 1 |
| Lou Lorber | Male | 2 | |
| Levi Lorenzo | Male | Boulder, CO | 1 |
| Paul Lottridge | Male | Golden, CO | 1 |
| Johnny Love | Male | 1 | |
| Aaron Lozier | Male | Boulder, CO | 2 |
| Aaron Lucas | Male | Boulder, CO | 1 |
| Katie Ludwin | Female | 1 | |
| Tom Lukas | Male | 1 | |
| Eric Lund | Male | 1 | |
| Greg Lund | Male | Boulder, CO | 3 |
| Kyle Lund | Male | Boulder, CO | 1 |
| Tom Lund | Male | Boulder, CO | 7 |
| Roy Lunde | Male | Superior, CO | 4 |
| Forrest Lundstrom | Male | Golden, CO | 2 |
| Joey Luther | Male | Boulder, CO | 10 |
| Daniel Lyness | Male | Boulder, CO | 2 |
| Zach Maas | Male | Boulder, CO | 2 |
| Richard Mable | Male | Boulder, CO | 1 |
| Dave Mackey | Male | Boulder, CO | 7 |
| Ellen Mackey | Female | 1 | |
| Travis Macy | Male | Evergreen, CO | 1 |