Searched 27 events from September 24, 1999 to September 26, 2025
| Name | Gender | From | Finish Count |
|---|---|---|---|
| Chuck Konopa | Male | Salt Lake City, UT | 2 |
| Jeff Vander Kooi | Male | Las Vegas, NV | 1 |
| Jason Koop | Male | Colorado Springs, CO | 2 |
| Liz Koop | Female | Colorado Springs, CO | 2 |
| Kelly Korevec | Male | California | 1 |
| Josh Kornegay | Male | Portland, OR | 1 |
| Wan Ho Kou | Male | Herriman, UT | 1 |
| Nicholas Kovacevic | Male | Denver, CO | 1 |
| Kristen Kovatch | Female | Fort Collins, CO | 1 |
| John Koyle | Male | Spanish Fork, UT | 2 |
| Dana Kracaw | Female | Boulder, CO | 1 |
| Allegra Krasznekewicz | Female | San Francisco, CA | 2 |
| Joshua Kraus | Male | Temecula, CA | 1 |
| Zachary Kraus | Male | Plainfield, IL | 1 |
| Shawn Krause | Male | Lutherville, MD | 1 |
| Richard Kresser | Male | Seattle, WA | 1 |
| Jan Kriska | Male | Mount Airy, NC | 1 |
| Flora Krivak-Tetley | Female | Hawaii | 1 |
| Ryan E Krol | Male | Oregon | 1 |
| Jake Krong | Male | Salt Lake City, UT | 1 |
| Joanna Kruk | Female | Adelaide, AUS | 1 |
| Ryan Kudlacek | Male | Cat Spring, TX | 1 |
| Joel Kuenning | Male | Idledale, CO | 1 |
| Larry Kundrik | Male | United States | 1 |
| Georg Kunzfeld | Male | Erzhausen, Germany | 3 |
| Jack Kurisky | Male | Burke, VA | 1 |
| Nathan Kurz | Male | Allensbach, DEU | 1 |
| Brian Kutz | Male | Grantsburg, WI | 1 |
| Kristofor Kvarfordt | Male | Logan, UT | 1 |
| Scott Laberge | Male | San Mateo, CA | 1 |
| David LaDuc | Male | Oakland, CA | 1 |
| Russell LaFontaine | Male | Missoula, MT | 1 |
| Ryan Lagerquist | Male | Boulder, CO | 1 |
| Hernan De Lahitte | Male | Buenos Aires, ARG | 1 |
| Kwok Lai | Male | Helotes, TX | 1 |
| Alan Lam | Male | Calgary, AB | 1 |
| Jennifer Lambert | Female | Lehi, UT | 1 |
| Sydney Lambert | Female | Austin, TX | 1 |
| Willie Lambert | Male | Cottonwood Heights, UT | 1 |
| Willie Lambet | Male | Kansas | 1 |
| Michael Lamond | Male | Leadville, CO | 1 |
| Craig Lancaster | Male | Fleetwood, NC | 1 |
| Benj Lance | Male | Dellrose, TN | 1 |
| Kelly Lance | Male | Pocatello, ID | 1 |
| Michelle Lance | Female | Pocatello, ID | 1 |
| Reid Landes | Male | Maumelle, AR | 1 |
| Joshua Landvatter | Male | West Jordan, UT | 2 |
| Meg Landymore | Female | Pasadena, MD | 1 |
| Jeff Lang | Male | Oakland, CA | 1 |
| Nick Lang | Male | Fort Collins, CO | 1 |