Grubby outdoor endurance event Tough Mudder launched its 5K city edition events this weekend in London: a smaller, more compact version of the full scale mud-athon that takes place up and down the ...

It’s been a few days since I made it to the finish line — and my calves, thighs, butt, arms and abs are still sore. But for a little over a year before that, I worked out consistently five days a week ...

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 ...

On Thursday, Tough Mudder—the 10-12 mile obstacle race designed to "challenge the toughest of the tough"—revealed its new obstacles for the 2018 season of races, challenges the company is calling "the ...

If trampling through mud, struggling over obstacles and exemplifying gritty teamwork is your idea of a good time, you've probably taken a liking to Tough Mudder. But if the popular obstacle race, ...

Opinions expressed by Entrepreneur contributors are their own. Keith Meade is a Tough Mudder devotee. Having completed the military-style obstacle course twice, he figured it was time to get his ...

The words "relentless" and "unwavering" not only characterize the Tough Mudder obstacle courses, but Stefanie Bishop herself. Stef Bishop is the current World’s Toughest Mudder champion, having ...

Nearly two dozen participants in a "Tough Mudder" competition, who crawled, climbed and waded through a mucky obstacle course, recently reported developing bumpy, pus-filled skin rashes and fevers.

When Nicole Villagran signed up to do her first Tough Mudder course, she thought she’d be getting an entertaining, if messy, workout. She got that — and much more. Villagran has spent the last 10 days ...

Tough Mudder – which rose to fame with extreme endurance events featuring some participants getting electrical shocks or crawling under barbed wire – is splitting into two companies as its events face ...