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 ...

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 ...

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 ...

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 ...

A Riverside County man filed a lawsuit alleging negligence after he suffered infections from a muddy obstacle course that may have sickened dozens of others at Sonoma Raceway last year. Evan Goldsmith ...

Some of the participants have tested positive for Aernomas, a bacteria which can cause symptoms similar to those of staph infections. Hundreds of people have now come forward, either to local agencies ...