Add Yahoo as a preferred source to see more of our stories on Google. SONOMA COUNTY, Calif. (KRON) — It’s been a year since participants in a Tough Mudder Race in Sonoma County. They reported having ...

Registration is open for In-N-Out Burger’s Tough Mudder Challenge, taking place Sept 5-7 at Big Bear Lake. The three-day event features 5K and 10K courses at Bear Mountain with secret obstacles and ...

WINTERGREEN — Tourists were enjoying the panoramic views from the Wintergreen overlook as they normally do, but a massive pillar of smoke and the faint yells of the “mudders” running, splashing, ...

The event came to Southern California this past weekend, taking place in Running Springs, where the altitude alone makes ascending a flight of stairs difficult. It's 12 miles of running, two dozen ...