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

As part of the annual Dubai Fitness Challenge, Spartan Race and Tough Mudder will take over the Wadi Hub at Hatta Resorts on ...

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

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

But Tough Mudder is also, as head course designer Nolan Kombol sees it, “a huge social experience. You’ll see people who’ll stay on top of Everest and help 15 or 20 people over.” ...

According to Tough Mudder’s website, no races were scheduled in Sonoma County this year. KRON4 reached out to Tough Mudder about the claims mentioned in the lawsuits filed but have not heard back.

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

Tough Mudder participants have climbed a total of about 5,700 vertical feet, plunged into 38 degree water, scaled the equivalent of an 11-story building in one obstacle, and jumped through fire.

The co-founder of Tough Mudder, the obstacle-course business with more than $100 million in sales, has had to tune out a lot of harsh critics--including himself.

Tough Mudder's obstacles will for the first time include "Kong Infinity," a 15-foot climbing challenge invented by more than three million former Mudder athletes; and "Happy Ending," a 25-foot ...

Dean said Tough Mudder had signed up 70 franchisees in the U.S. and could do as many as 1,000 in the U.S. and another 1,000 abroad. Follow USA TODAY reporter Nathan Bomey on Twitter @ NathanBomey.

Tough Mudder is also adding new challenges for its "Legionnaires," or participants who have completed at least one event. Those obstacles include the Snot Rocket, a beefed-up version of the ...