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!
November 2025
Challenge vineyards, valleys and a fossilized oyster bed at the Central California Spartan Race at Santa Margarita Ranch for a rugged, fun obstacle experience. Choose Sprint to Ultra or a kids race, enjoy festival vibes and earn hard won finisher gea..
January 2026
Take on SoCal Spartan Weekend at Lake Perris on Jan 24 to 25 with Sprint, Super, Beast and Kids races over fast off road terrain and iconic obstacles. Finishers get medals and tees amid lakeside camping and festival vibes.
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 limits at DEKA FIT in Anaheim's Convention Center, a fast paced 10 zone fitness challenge with short runs between stations that test strength, speed, and endurance. Multiple intensity heats make it perfect for newcomers and competitors alik..
Tough Mudder Los Angeles takes over Lake Elsinore Raceway March 21 and 22, 2026 with challenging 15K and 5K courses packed with obstacles and rugged single track. Expect mud, medals, a finisher shirt and a cold beer to toast your grit.
April 2026
Tackle Spartan obstacles and scenic trails at Woodward Reservoir during San Jose Spartan Weekend on April 4 and 5, 2026 in Oakdale. Choose distances from a 5 km sprint to a 50 km ultra and earn a finisher tee, medal and festival access.
Test your grit at the San Diego Spartan Race weekend Apr 18 and 19 2026 at Pala Fox Raceway, featuring rocky trails, a motocross track and tough obstacles. Choose Sprint Super or Kids races then unwind in a festival with music and beer gardens.
Challenge yourself at DEKA FIT in Sacramento Apr 25-26, 2026 at the SAFE Credit Union Convention Center. This 5 km course mixes 10 functional training zones with 500 m runs between stations, plus DEKA Ultra, multiple heats and finisher swag from $70.
Get muddy and challenge yourself at Mud Factor Fresno, a fun 5K obstacle run for all ages at Hobb's Grove in Sanger on April 26, 2026. Family friendly waves, a festival area for spectators, and pro photos make this a great day out.
May 2026
Tackle Spartan races at Big Bear Mountain Resort with Sprint Super and Beast options across rugged trails and epic descents. Complete a Trifecta, enjoy festival vibes, and chase national spots and World Championship qualification.
Tackle rugged coastal trails and classic Spartan obstacles at the Monterey Spartan Race in Toro Park near Salinas, CA on May 30 and 31, 2026. Sprint, Super and kids races plus rolling hills, ocean views and a lively festival atmosphere.
August 2026
Take on the Sacramento Spartan Race at Mahon Ranch Aug 29 to 30 with rugged trails, river crossings and challenging obstacles for Sprint, Super and Kids races. Celebrate at the finish festival with music, beer gardens and team entries.
September 2026
Challenge yourself at Tough Mudder Big Bear at Bear Mountain for a high altitude weekend of muddy fun with 5K and 10K courses featuring famous obstacles like Block Ness Monster and Funky Monkey. Finishers earn a medal, shirt and finisher headband.
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.
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.
