Imagine sprinting through mud, climbing towering walls, and diving under barbed wire—all in the name of time. Obstacle races take more than just sports; they are an extreme test of endurance, skill, ...

“It’s been very strange,” he says. “You know, I've been compared to other people my whole career. Even in college, I used to get Zach Galifianakis a lot. Any white guy with a beard, pretty much I get ...