California (CA) Mud Runs & Obstacle Races

A complete list, guide & directory to obstacle races, adventure runs, and mud runs in California

Click an event name below to see course descriptions, obstalce lists, coupons, discounts, prizes, awards, parking cost, spectator fees and more about each event. You can also click here to find permanent obstacle courses & OCR training gyms and boxes in California.

  • Race discount More info
  • January 29, 2022
    SoCal California Spartan Race Spartan Super 10K 2022
    Glen Helen Raceway, San Bernardino, CA, United States
    Save 10% on your Spartan Race with code MRG10 Learn More
  • January 30, 2022
    SoCal California Spartan Race Spartan Sprint 5K 2022
    Glen Helen Raceway, San Bernardino, CA, United States
    Save 10% on your Spartan Race with code MRG10 Learn More
  • February 26, 2022
    Valley Center California Rad Dogs Mud Run 2022
    Bates Nut Farm, Valley ‍‍‍Center, CA, United States
      Learn More
  • March 19, 2022
    San Luis Obispo California Spartan Race Spartan Ultra Beast 50K 2022
    Santa Margarita Ranch, Santa Margarita, CA, United States
    Save 10% on your Spartan Race with code MRG10 Learn More
  • March 19, 2022
    San Luis Obispo California Spartan Race Spartan Beast 21K 2022
    Santa Margarita Ranch, Santa Margarita, CA, United States
    Save 10% on your Spartan Race with code MRG10 Learn More
  • March 20, 2022
    San Luis Obispo California Spartan Race Spartan Super 10K 2022
    Santa Margarita Ranch, Santa Margarita, CA, United States
    Save 10% on your Spartan Race with code MRG10 Learn More
  • May 07, 2022
    Anderson California Shasta Mud Run 2022
    Historic Hawes Farms, Anderson, CA, United States
    Save 15% on your Shasta Mud Run with code MRG15 Learn More

Browse our list of previous mud runs, mud races & obstalce races for California (CA)

Know of an event we're missing? Let us know and we'll get it added. It's completely free!

Don't forget, you can always use our handy Worldwide Mud Run Finder to search for an event using our interactive map!