Check out the amazing images from this year's Leadville 100.
We caught up with the 37-year-old after he captured his first Western States 100 title on Saturday.
Check out these shots from the one of the world's most iconic ultras!
A year after finishing a close second, Rob Krar won the 2014 Western States 100 on June 28 in 14:53:20.
More than 360 runners representing 26 countries will descend on California next week for the 41st edition of the Western States 100, a
Check out these great shots from one of California's most scenic off-road courses.
Take a look back at the exciting 2013 season and see who we named the top runners of the year.
Wisconsin high school teacher runs 101.66 miles in less than 12 hours wearing minimalist Skora shoes.
Awe-inspiring images from the Dec. 7 race through the Marin Headlands north of San Francisco.