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.

SONOMA, Calif. - One man filed a lawsuit against Spartan Race, Inc, the company responsible for the Tough Mudder race, after hundreds of people reported getting sick at its race in Sonoma County at ...

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 ...

California health officials have issued an advisory after several people who participated in a Tough Mudder race last weekend got sick. Nearly two dozen people who ran in the Tough Mudder challenge at ...

SAN FRANCISCO (KGO) -- A health advisory has been issued for those who competed in the popular Tough Mudder obstacle race at Sonoma Raceway last weekend, a race that has participants crawling through ...

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 ...

Thousands of people are to take part in a famously muddy obstacle course to test their endurance and teamwork. Tough Mudder is returning to South Gloucestershire on Saturday, at the Badminton Estate - ...

Caitlin O'Kane is a New York City journalist who works on the CBS News social media team as a senior manager of content and production. She writes about a variety of topics and produces "The Uplift," ...

After participating in a recent Tough Mudder obstacle course challenge, at least 22 people have reported developing odd rashes and fevers. When you purchase through links on our site, we may earn an ...