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 ...

Tough Mudder season is coming up; here’s all you need to take it on. Start your Tough Mudder training with this intense series of workouts. It might be the start of winter, but if you’re going to take ...

To the uninitiated, running through one of Tough Mudder’s mud-soaked obstacle courses may seem like a trial for joining the world’s biggest frat race. More than 10,000 people may line up at any given ...

Under Armour is out as Tough Mudder’s official apparel sponsor, replaced by Merrell as both gear and presenting sponsor. That’s the first of two announcements the obstacle racing company recently made ...