Founded in 2010, Tough Mudder now has six million participants worldwide, hosting 130 challenges and endurance events ...

"Tough Mudder, in general, will help you prepare for any obstacle you may face in life," said Bishop. "It really tailors to your fears, whether it be heights, darkness, you know, water.

Some unseasonably cool temperatures made for some cold water at some of the obstacles in Saturday’s Tough Mudder Indiana.

Tough Mudder is known around the world for it's 10+ mile grueling obstacle course challenges, designed to test physical strength, mental grit and teamwork, with classic obstacles including fire ...

Tough Mudder races are just that – tough and muddy. And while the obstacle course requires endurance and muscle strength, one 82-year-old woman is proving youth has nothing to do with it.

Nolan Kombol, head of course design for Tough Mudder, tells SI.com the 11-month process of reevaluating the group’s 40-plus obstacles was the first broad sweep of changes in course history.

U.S. Customs and Border Protection (CBP) is hosting a recruiting event at Tough Mudder Chicago on August 23rd and 24th, with ...

Tough Mudder has been counting down to its big announcement Founder Will Dean calls it Tough Mudder Half. But if you think it's also half the challenge of a full-size Tough Mudder, you're wrong.

A couple from Chorley are climbing Scafell Pike in memory of their twin boys who passed away ten years ago.

Recruiters from the U.S. Customs and Border Protection are expected to be at Rockford’s Tough Mudder event later this month.

"Tough Mudder has enjoyed working with Santa Rosa County in order to bring our event to the region, and we've enjoyed being able to generate a positive economic impact in the area," Kovac said.