You’re standing in a huge field—maybe it’s at a park, a campground, or even the grassy expanse surrounding an airport. All around you are packs of mud-covered, grinning athletes. They’re climbing ...

The 'Tough Mudder' race always features oceans of mud and arrays of obstacles designed to make participants suffer. Even so, 6,000 men and women are expected to try the Ohio course this May. For them, ...

Calling all Tough Mudder competitors and wannabes: the outdoor obstacle course competition is setting up shop indoors. Tough Mudder Inc., which holds races nationwide for obstacle course enthusiasts, ...

Obstacle course racing has seen explosive growth since 2010. Participation has soared by an estimated 4,000 percent since 2009, and race organizers have made millions on the events. But success ...