Enjoy this 22-minute documentary by Los Angeles-based filmmaker Billy Yang, who chronicled the adventure.
Laney lands on the UTMB podium, while Miller, Tollefson and Boulet shine in the CCC race.
Check out these great shots from one of California's most scenic off-road courses.
The 25-year-old came out of nowhere to win one of the country's most iconic ultra faces last year.
Wisconsin high school teacher runs 101.66 miles in less than 12 hours wearing minimalist Skora shoes.