California
California Obstacle Race Calendar 2025-2026
Explore the best obstacle runs in California for 2025-2026! Our updated list features 15 exciting races across the region. Find your next race in California below and join the running community at these great events!
October 2025
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 participants and their dogs, testing training, teamwork,..
Event overview
The MCRD San Diego Boot Camp Challenge is a festival and a 3-mile race held at Marine Corps Recruit Depot San Diego, 3800 Chosin Ave, San Diego, CA. The course uses the Marine Corps recruit training area and includes obstacles such as..
San Bernardino County Sheriff's Mud Run, hosted by the Sheriff’s Athletic Federation, takes place in San Bernardino, California, at 18901 Institution Road (ZIP 92407). The event offers three options: a 5K mud run for individuals, a 1K Kids Race, and..
November 2025
The 2025 SLO CAL Spartan Trifecta Weekend takes place at Santa Margarita Ranch in Santa Margarita, California, in San Luis Obispo County. The event offers four distance options: Sprint 5K with 20 obstacles, Super 10K with 25 obstacles, Beast 21K with..
January 2026
SoCal Spartan Race Weekend at Lake Perris State Recreation Area in Perris, CA, January 24–25, 2026. This early-season Trifecta Weekend offers Sprint (5K, 20 obstacles), Super (10K, 25 obstacles), Beast (21K, 30 obstacles), plus a Kids Race (1–3 km)...
March 2026
Tough Mudder Los Angeles brings muddy obstacle fun to Lake Elsinore Raceway on March 21 and 22 2026, with 15K and shorter courses plus an Infinity lap option. Expect rugged trails, big team challenges, a finisher medal and festival vibes for spectato..
2026 SoCal DEKA FIT takes place March 21–22 at the Anaheim Convention Center in Anaheim, California. The race is a 5K hybrid fitness challenge built from ten DEKA Zones, each preceded by 500 meters of running. The course escalates from basic movement..
April 2026
San Jose Spartan Trifecta Weekend is staged at Woodward Reservoir Regional Park near Oakdale, California, on April 4–5, 2026. The event offers four race options aligning with Spartan’s Trifecta: Sprint (5K, 20 obstacles), Super (10K, 25 obstacles), B..
San Diego Spartan Event Weekend unfolds at Pala Fox Raceway in Pala, California. The weekend offers three races: Sprint 5K with 20 obstacles, Super 10K with 25 obstacles, and a Kids Race 1–3 km. The course combines flat, fast sections with rocky terr..
NorCal DEKA FIT returns to Sacramento’s Safe Credit Union Convention Center for two epic days of fitness racing in the DEKA FIT Arena. The 5K course pairs ten functional training zones with a 500-meter run before each zone, challenging all-levels ath..
Event details
Mud Factor Fresno is a 5k mud and obstacle run scheduled for April 26, 2026, at Hobb's Grove, 14265 E. Goodfellow Ave., Sanger, California. The event is described as an all-ages format with separate Adult waves and KIDZ Family waves. Th..
May 2026
Big Bear Lake, California hosts the Spartan Trifecta Weekend at Big Bear Mountain Resort (Snow Summit). The event features Sprint (5K, 20 obstacles), Super (10K, 25 obstacles), and Beast (21K, 30 obstacles), plus a Kids Race. The course is famed for..
Monterey Spartan Event Weekend takes place at Toro Park, six miles from downtown Salinas, in California’s Monterey region. The 2026 edition offers a Sprint 5K with 20 obstacles and a Super 10K with 25 obstacles, plus a Kids Race (1–3 km). Racers tack..
August 2026
NorCal Spartan Event Weekend takes place at Mahon Ranch in Elk Grove, just outside Sacramento. The event offers multiple race distances: a Sprint 5K with 20 obstacles, a Super 10K with 25 obstacles, and a Kids Race 1–3 km with obstacles, on Aug 29–30..
September 2026
Conquer rugged trails and lakefront terrain at the Temecula Spartan weekend in Lake Elsinore. Choose Sprint, Super or Kids races packed with classic obstacles, festival vibes and finisher swag for a high energy challenge and spectator fun.
