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.

ROCKFORD, Ill. — The Tough Mudder obstacle course returns to Rockford, attracting around 7,500 participants. Teamwork is the theme of Tough Mudder, as many work hard to complete the course and various ...

Tough Mudder is expecting to field its strongest attendance since debuting in Columbus in 2019. This year’s event will take place July 29 and 30 at Ceraland Park. It will consist of a 5K with 13 ...

Registration is open for In-N-Out Burger’s Tough Mudder Challenge, taking place Sept 5-7 at Big Bear Lake. The three-day event features 5K and 10K courses at Bear Mountain with secret obstacles and ...

More than 100 people said they contracted bacterial infections after competing in a Tough Mudder challenge on Saturday and Sunday in Sonoma, California. The event was held at Sonoma Raceway, which is ...

BYERS, Colo. — It's hard enough running 5 miles. It is beyond comprehension that obstacles should be added to that course. The Tough Mudder, or the muddy obstacle course challenge that draws thousands ...