SAN FRANCISCO (KGO) -- Last year, hundreds of people were sickened after Tough Mudder race held at the Sonoma Raceway. It's an obstacle course racetrack where people often crawl through mud. Now, a ...

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 ...

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 ...

Don't miss the big stories. Like us on Facebook. BRATTLEBORO -- Whenever Robin Rieske finds herself struggling along the rigorous West Dover course, she needs only to glance down at her shirt. It’s ...

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 ...