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 ...

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.

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 ...

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 ...

Obstacle courses are the biggest thing in adventure sports, and no one is profiting more than Tough Mudder creator Will Dean, who will stop at nothing to sell you his brand of suffering. Part of the ...

LOS ANGELES — With macho-sounding names like Tough Mudder, Warrior Dash and the Spartan Race, obstacle course races have turned mud, sweat and tears into a flood of revenue. Over the last year, ...

LATEST Aug. 28, 10:16 a.m. As of Monday morning, Sonoma County health officials still don’t know the full extent of a bacterial infection that plagued participants of the Tough Mudder obstacle course ...

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.

Keith Meade is a Tough Mudder devotee. Having completed the military-style obstacle course twice, it was time to get his co-workers at digital-marketing provider IBM Silverpop involved. "It gave us ...

What price would your body pay to prove how tough you are? May 8, 2014— -- Despite their hefty price tags and reports of bloody diarrhea and even deaths, obstacle races like Spartan Race, Tough ...