California
California Obstacle Race Calendar 2025-2026
Explore the best obstacle runs in California for 2025-2026! Our updated list features 17 exciting races across the region. Find your next race in California below and join the running community at these great events!
August 2025
The NorCal Spartan Event Weekend takes place at Mahon Ranch in Elk Grove, California, near Sacramento. This challenging obstacle course race weekend features multiple events including a 5K Sprint with..
September 2025
Tough Mudder Big Bear, held at Bear Mountain in Big Bear Lake, California, is a challenging obstacle course event featuring customized 5K and 10K courses with 12+ and 20 obstacles respectively. The ev..
The In-N-Out Burger Tough Mudder Challenge is a dynamic obstacle course event held at Bear Mountain Resort in Big Bear Lake, California. Scheduled for September 5–7, 2025, it features two main race di..
The Nash Ranch Mud Run, held in Redding, California, is a family-friendly 5K obstacle race featuring mud, creek crossings, hills, and various structures to climb over and crawl under. Organized by the..
The Angel Stadium Spartan Stadion Weekend, held at the iconic Angel Stadium of Anaheim, California, features a challenging 5K obstacle course with 20 unique obstacles. Participants navigate the histor..
The Temecula Spartan Event Weekend, held at Lake Elsinore Raceway in California, offers a scenic obstacle course race along the shores of Lake Elsinore with stunning water views and rolling terrain. P..
October 2025
The Mammoth Spartan Trifecta Weekend, held in Mammoth Lakes, California, is a high-altitude obstacle course racing event set at 7,900 feet in the Sierra Nevada Mountains. Taking place over October 4-5..
The Mammoth Spartan Super World Championship Weekend, held at Mammoth Mountain Ski Area in California, is a premier obstacle course race set at a challenging high altitude of 7,900 feet in the Sierra..
Ruff Run California is an annual obstacle run held in Phelan, CA, set in the scenic high desert at 4,200 feet elevation. The event features a 4ishK course with over 20 obstacles that challenge partici..
The Boot Camp Challenge is a 3-mile obstacle race held at the Marine Corps Recruit Depot (MCRD) San Diego, one of only two Marine Corps boot camp locations in the U.S. This unique event, open to the p..
November 2025
The SLO CAL Spartan Trifecta Weekend, held at Santa Margarita Ranch in California, offers a challenging obstacle course experience set amidst scenic vineyards and the Los Padres National Forest. Parti..
January 2026
The SoCal Spartan Event Weekend, held at Lake Perris State Recreation Area in Perris, California, offers a challenging obstacle course race experience with scenic mountain views. Participants can choo..
March 2026
Tough Mudder Los Angeles, held at Glen Helen Raceway in San Bernardino, California, is a challenging obstacle course event set against the scenic backdrop of the San Bernardino Mountains. Scheduled fo..
April 2026
The San Jose Spartan Trifecta Weekend, held at Woodward Reservoir Regional Park near San Jose, California, offers a challenging obstacle course experience across multiple race distances. Participants..
The San Diego Spartan Event Weekend, held at Pala Fox Raceway in California, offers a thrilling obstacle course racing experience set against the scenic Pala Valley. Featuring a Sprint 5K with 20 chal..
May 2026
The Big Bear Spartan Trifecta Weekend, held at Big Bear Mountain Resort in California, is a challenging obstacle course event set at a high altitude of 8,200 feet. Participants face steep climbs and t..
The Monterey Spartan Event Weekend, held at scenic Toro Park near Salinas, California, offers challenging obstacle course races set against picturesque coastal landscapes. Participants can choose from..
