California
California Obstacle Race Calendar 2025-2026
Explore the best obstacle runs in California for 2025-2026! Our updated list features 13 exciting races across the region. Find your next race in California below and join the running community at these great events!
January 2026
SoCal Spartan Trifecta Weekend returns Jan 24 and 25, 2026 at Lake Perris State Recreation Area in Perris, California. Flat and fast courses across sprint, super and beast distances with iconic obstacles, camping and festival fun.
March 2026
Tough Mudder Los Angeles hits Lake Elsinore Raceway March 21 and 22, 2026 with muddy trail and raceway obstacle courses. Choose 5K, 15K or the Infinity multi lap to stack laps, earn finisher swag and soak up Mudder Village festival vibes.
Push your fitness limits at SoCal DEKA FIT in Anaheim on Mar 21 and 22, 2026. Ten functional training zones paired with 500 m runs form a 5 km course for a fast, full body challenge at multiple intensity levels.
Tough Mudder Los Angeles hits Lake Elsinore Raceway March 21 and 22 for a weekend of mud, obstacles and team camaraderie on single track trails and in Storm Stadium. Choose shorter routes, a 15 plus kilometer challenge or stack laps in the Infinity f..
April 2026
Join the San Jose Spartan Trifecta Weekend Apr 4 and 5 at Woodward Reservoir in Oakdale CA for obstacle races from Sprint to Ultra on a flat fast course. Earn finisher tees and medals, chase a Trifecta and enjoy festival access.
Conquer rocky trails and flat, fast laps at Pala Fox Raceway during the San Diego Spartan Weekend on April 18 and 19, 2026. Choose Sprint, Super or Kids races and earn finisher tees, medals and festival access.
Get muddy and conquer obstacles at the 5K Mud Run at Hobb's Grove in Sanger on April 26, 2026. Open to all ages with Adult and KIDZ Family waves, this lively festival offers pro photos and big fun for the whole crew.
May 2026
Conquer the Big Bear Spartan Trifecta Weekend at Snow Summit May 16 and 17, 2026 with Sprint, Super and Beast races high in Big Bear. Expect high altitude trails, big climbs and steep descents for a true Spartan challenge.
Join Monterey Spartan at scenic Toro Park near Salinas on May 30 and 31, 2026 for a weekend of rugged trail and obstacle races featuring iconic Spartan challenges and a lively festival finish. Finishers earn a medal, tee and festival access for a mem..
August 2026
NorCal Spartan Weekend returns Aug 29 and 30, 2026 at Mahon Ranch in Elk Grove, CA with Sprint, Super and Kids across rolling trails, river crossings and farm obstacles. Finishers earn medals and tees while a festival offers music and beer.
September 2026
Conquer Tough Mudder Big Bear at Bear Mountain with high altitude 5K and 10K courses featuring obstacles like Block Ness Monster and Funky Monkey. Finishers get a medal, shirt, headband and a celebratory drink.
Tackle the Temecula Spartan Weekend at Lake Elsinore Raceway on Sept 26 and 27 for rugged trails, shifting terrain and muddy obstacle fun. Choose Sprint or Super, race as a team to share start times and enjoy service discounts.
October 2026
Bring your pup to Ruff Run California on Oct 17, 2026 for a playful obstacle course across 20 acres of high desert with mud, water and brain teasers to test your bond. Stay after for music, games and vendors.
