ROCKFORD, Ill. (WIFR) - Six thousand runners battled through several obstacles involving mud, freezing water and even electric shocks Saturday. This is for the 10th annual Tough Mudder Chicago taking ...

Health officials said participants may have staph or bacterial infections. California health officials have issued an advisory after several people who competed in a Tough Mudder run and obstacle ...

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 ...

LONDON — For many, just the thought of running 12 miles over mounds of mud and through pools of ice water is enough to make them cry. Now comes something that will really make them weep. Tough Mudder, ...

Hundreds of people who participated in a recent Tough Mudder event—a very muddy obstacle course race—held in Sonoma, California, have fallen ill with pustular rashes, lesions, fever, flu-like symptoms ...

In this week’s issue of TIME, we explore the cult of Tough Mudder, the obstacle-course racing event held across the country. Tough Mudder was launched in 2010 and has seen rapid growth in people ...