More than 1,200 of the most hardcore Tough Mudder men and women from around the globe will put their mental and physical grit to the test in hopes of being named the “Toughest” on the planet. World’s ...

With most Tough Mudder competitions, the course — outside of the obstacles — usually is dry at the start and gets progressively muddier as the waves of athletes make their way through the course.

OK, you’re gonna face some of your worst fears. Like water. Tight spaces. Water in tight spaces. Electric shock. Heights. You're going to test your endurance like you do when running a long race, but ...

DETROIT — At least a dozen competitors and spectators at the Tough Mudder competition last weekend at Michigan International Speedway are reporting vomiting, diarrhea, nausea and other ...

Competitors of every stripe descended upon Bear Creek Mountain Resort today for the "Tough Mudder" competition. The muddy and fiery obstacle course isn't your typical fitness challenge. At the end of ...