California
California Obstacle Race Calendar 2026-2027
Monthly updates for California
Get new running races (and updates) in your inbox every month.
Explore the best obstacle runs in California for 2026-2027! Our updated list features 20 exciting races across the region. Find your next race in California below and join the running community at these great events!
February 2026
The Spartan Stadion returns to iconic Dodger Stadium for a 5K obstacle course with 20 challenges. Racers will navigate stairs and bleachers throughout the historic ballpark. A shorter Kids Race is also available.
March 2026
Get ready for a few miles of muddy fun at Storm Stadium. This obstacle run features a dozen mud pits and obstacles, with no competitive timing. Spectators are welcome to join the post-race festival at no extra cost.
Tough Mudder Los Angeles returns to Lake Elsinore Raceway on March 21, 2026. Choose from muddy 5K and 15K obstacle courses, or take on the multi-lap Infinity challenge. Finishers receive a medal, shirt, headband, and a celebratory drink.
April 2026
The Spartan Trifecta Weekend returns to Woodward Reservoir Regional Park near San Jose. Choose from five obstacle course distances, from a 5K Sprint to a 50K Ultra, across a flat, scenic landscape.
Take on the rugged terrain of Pala Fox Raceway at the San Diego Spartan Event Weekend. Choose from the Sprint 5K with 20 obstacles or the Super 10K with 25 challenges. A shorter kids race is also available for family fun.
Test your functional fitness at the NorCal DEKA FIT Weekend in Sacramento. This two-day event features ten fitness zones over a 5km course, with individual, team, and endurance competitions. It takes place at the downtown convention center.
A 5k mud and obstacle run at Hobb's Grove in Sanger, CA on April 26, 2026, featuring Adult and KIDZ Family waves, required signed waivers for participants, and festival area access for spectators.
May 2026
Get ready for a messy adventure at Muddy Dash. This untimed event features a course with about a dozen waist-deep mud pits and obstacles. Participants receive a medal and can enjoy a festival atmosphere at Bates Nut Farm.
Conquer high-altitude Spartan obstacle races at Big Bear Mountain Resort. The extreme weekend features Sprint, Super, and Beast distances, with a kids race also available. The courses are known for significant elevation gain and descents.
Spartan returns to the scenic Toro Park near Salinas for a weekend of obstacle racing. Choose the 5K Sprint or 10K Super course through rolling hills with ocean views. A kids race and team discounts are also part of the event.
August 2026
A two day Spartan obstacle event at Mahon Ranch near Elk Grove with sprint, super, and kids races across trails and river crossings. Team entries allow shared start times and eligible service members may receive a discount.
September 2026
The Spartan Stadion event takes over Angel Stadium for a 5K obstacle course race. Racers tackle 20 obstacles and navigate the stadium's bleachers. A kids' race and spectator tickets are also available.
Get muddy at the Nash Ranch Mud Run, a family-friendly obstacle course at the ranch in Redding. This event supports local children's programs through the Active 20-30 Club.
Spartan returns to Lake Elsinore Raceway for a weekend of obstacle course racing. Choose from the 5K Sprint, 10K Super, or Kids races, all featuring rugged trails and plenty of mud. Teams can race together and service members qualify for discounts.
October 2026
An obstacle event in Phelan, California where people and their dogs navigate a 20 acre course with over 20 obstacles, including mud, water and problem solving. The program also offers a 1k walk/run and a volunteer option.
November 2026
The Terrain Race Irvine is a 5k obstacle course with mud, walls, and over 15 challenges at Oak Canyon Park. Racers get a shirt and finisher medal, and a kids' Mini Monkey Run is also offered. A post race festival area is free for spectators.
January 2027
Kick off the Spartan season at the scenic Lake Perris State Recreation Area. Choose from four obstacle course distances, from a 5K Sprint to a 21K Beast. The event offers camping, team starts, and is located south of San Bernardino.