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 ...

Authorities in Sonoma County are investigating the cause of illnesses associated with last weekend's Tough Mudder event, which took place at Sonoma Raceway and involved a muddy obstacle course. Sonoma ...

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.

Sonoma County health officials are investigating after roughly two dozen people reported a bacterial infection on their skin following the Tough Mudder Sonoma County challenge over the weekend. The ...

Brennan Todd, from left, Zach Purtlebaugh, Alex Cowan, Ricardo Damon, Nate Frasier, Tyler Purtlebaugh, Carson Dibble, Fred Bailey and JR Honeas will compete as a group in the upcoming Tough Mudder.