A racer jumps over the fire wall and into the finish line during the Spartan Super, a 10-kilometer-long course with 29 obstacles like rope climbs, sandbag carries and a fire jump held on Saturday, ...

Jonathan Lopez was honorably discharged from the U.S. Army in 2001 following the amputation of his left arm. But having one arm hasn't stopped Lopez from competing in Spartan races and even climbing a ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Shutterstock A few ...

As my numb fingers slipped on the second in a series of swinging ropes I was using to cross a 50 degree lake and I crashed into the depths, I knew I was not prepared for the next 10-plus miles that ...