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.

SONOMA COUNTY, Calif. (KRON) — It’s been a year since participants in a Tough Mudder Race in Sonoma County. They reported having rashes all over their bodies because of water on the course.

While most of the competitors in this year’s Tough Mudder Indiana traversed the 15K or 5K Ceraland course on Saturday, several hundred more will do it on Sunday morning. At least a handful of ...

Tough Mudder, the military-style endurance experience ... to 24-hour muddy obstacle courses that require them to run, jump, crawl, climb and swim—was the exception to this rule.

Tough Mudder Dubai to follow from 11 – 12 November Challenges to include 5k, 10 km and a Tough Mudder Kids for children aged 6-12 Dubai (UAE): Tough Mudder, the world-renowned obstacle course ...

Hundreds of people who participated in a recent Tough Mudder event—a very muddy obstacle ... including a mud-soaked crawl under barbed wire, rope climbs over a muddy slope, a knee-deep mud ...

An outbreak of illnesses after a Tough Mudder race in Sonoma County, California, this month has reached about 300 cases, the county estimated Wednesday. The Sonoma County Department of Health ...

When Nicole Villagran signed up to do her first Tough Mudder course ... at the event on Aug. 20 were a mud-soaked “army crawl” under barbed wire, a swimming-pool-sized dugout of knee-deep ...

Tough Mudder events involve obstacle courses in which participants crawl through mud and overcome challenges such as climbing over logs or traversing rope courses. In a statement to McClatchy News ...