Searched 27 events from September 24, 1999 to September 26, 2025
| Name | Gender | From | Finish Count |
|---|---|---|---|
| John Langford | Male | Park City, UT | 1 |
| Michael Langford | Male | Salt Lake City, UT | 1 |
| Barrett Langton | Male | Denver, CO | 1 |
| Phillip LaPoint | Male | Roy, UT | 1 |
| Andrew Laramore | Male | Signal Mountain, TN | 1 |
| Emily Larkin | Female | Suwanee, GA | 1 |
| Jane Larkindale | Female | Tucson, AZ | 1 |
| Jessica Laroche | Female | Kaysville, UT | 1 |
| Jared Larrabee | Male | Sandy, UT | 1 |
| David Larsen | Male | Lindon, UT | 1 |
| Tanner Larsen | Male | Smithfield, UT | 1 |
| Justin Larson | Male | Lehi, UT | 1 |
| Ignacio Lasa | Male | Panama, PAN | 1 |
| Keith Lascelles | Male | Barrie, ON | 1 |
| Sophie Lattes | Female | Boulder, CO | 1 |
| Ryan Lauck | Male | Farmington, UT | 1 |
| Jean-Paul Lavoie | Male | Scappoose, OR | 1 |
| Malia Lawrence | Female | Fort Collins, CO | 1 |
| Dominick Layfield | Male | Park City, UT | 3 |
| Louis Lazar | Male | Calgary, AB | 1 |
| Razvan Lazareanu | Male | Toronto, ON | 1 |
| Jordan Leak | Male | Jerome, ID | 1 |
| Logan Ledford | Male | Unknown, Unknown | 1 |
| Bart Lee | Male | American Fork, UT | 1 |
| Benjamin Lee | Male | Clinton, UT | 1 |
| Eric Lee | Male | Boulder, CO | 1 |
| Lindsay Leech | Female | Park City, UT | 1 |
| Ken Legg | Male | North Vancouver, BC | 2 |
| Brett Lehigh | Male | California | 1 |
| Mark Lehmkuhle | Male | Salt Lake City, UT | 2 |
| Katherine Lemasters | Female | Denver, CO | 1 |
| Marlene Lemieux | Female | Cataula, GA | 1 |
| Jeffrey Lenard | Male | McHenry, IL | 1 |
| Gabriel Leon | Male | Naguanagua, VEN | 1 |
| Jon Letowt | Male | Grass Valley, CA | 1 |
| Ladislav Lettovsky | Male | Avon, CO | 1 |
| Nick Leuck | Male | Evergreen, CO | 1 |
| Hugh Levaux | Male | Oakland, CA | 1 |
| Benjamin Lewis | Male | Salt Lake City, UT | 1 |
| Bethany Lewis | Female | Salt Lake City, UT | 1 |
| Brandyn Lewis | Male | Canterbury, NH | 1 |
| Danielle Lewis | Female | Denver, CO | 1 |
| John Lewis | Male | Utah | 1 |
| Montgomery Lewis | Male | Bradbury, CA | 1 |
| Samantha Lewis | Female | Golden, CO | 1 |
| Suzanne Lewis | Female | Salt Lake City, UT | 2 |
| Terence Li | Male | New York, NY | 1 |
| Yiran Li | Male | Boulder, CO | 1 |
| Julie Librizzi | Female | Whitefish Bay, WI | 1 |
| Salvatore Librizzi | Male | Whitefish Bay, WI | 1 |