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.

Participants pushed their bodies to the limit and conquered as many as 25 obstacles at the Tough Mudder event held at the World Wide Technology Raceway in Madison on Sunday, April 30, 2023.

More than 100 athletes who participated last weekend in the Tough Mudder obstacle course race at Sonoma Raceway have since reported experiencing fevers, vomiting, muscle pain and a distinct rash that ...

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 ...

ROCKFORD (WREX)— The Tough Mudder race and obstacle course are back with all new challenges. The Tough Mudder obstacle course fosters comradery and brings people together. Runners can choose from the ...

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 ...

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.