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
  • August 08, 2020
    San Diego California Subaru Kids Obstacle Challenge 2020
    Kit Carson Park, Escondido, CA, United States
     Save 10% on your Kids Obstacle Challenge with code MUDRUNGUIDE20 Learn More
  • August 09, 2020
    San Diego California Subaru Kids Obstacle Challenge 2020
    Kit Carson Park, Escondido, CA, United States
     Save 10% on your Kids Obstacle Challenge with code MUDRUNGUIDE20 Learn More
  • August 15, 2020
    Los Angeles California Kids Obstacle Challenge 2020
    Prado Regional Park, Chino, CA, United States
     Save 10% on your Kids Obstacle Challenge with code MUDRUNGUIDE20 Learn More
  • August 16, 2020
    Los Angeles California Kids Obstacle Challenge 2020
    Prado Regional Park, Chino, CA, United States
     Save 10% on your Kids Obstacle Challenge with code MUDRUNGUIDE20 Learn More
  • September 05, 2020
    San Diego California Terrain Race Mud Run 2020
    Bates Nut Farm, Valley ‍‍‍Center, CA, United States
     Save $5 on your Terrain Racing with code MUDRUN5 Learn More
  • September 12, 2020
    Bay Area California Kids Obstacle Challenge 2020
    Coyote Point Recreation Area, San Mateo, CA, United States
     Save 10% on your Kids Obstacle Challenge with code MUDRUNGUIDE20 Learn More
  • September 13, 2020
    Bay Area California Kids Obstacle Challenge 2020
    Coyote Point Recreation Area, San Mateo, CA, United States
     Save 10% on your Kids Obstacle Challenge with code MUDRUNGUIDE20 Learn More
  • September 19, 2020
    Sacramento California Kids Obstacle Challenge 2020
    Gibson Ranch County Park, Sacramento, CA, United States
     Save 10% on your Kids Obstacle Challenge with code MUDRUNGUIDE20 Learn More
  • September 26, 2020
    North Lake Tahoe California Spartan Race Spartan Ultra Beast 2020
    Squaw Valley, Olympic Valley, CA, United States
     Save 10% on your Spartan Race with code MRG10 Learn More
  • September 26, 2020
    North Lake Tahoe California Spartan Race Spartan Beast 2020
    Squaw Valley, Olympic Valley, CA, United States
     Save 10% on your Spartan Race with code MRG10 Learn More
  • September 26, 2020
    Lake Elsinore California Terrain Race Mud Run 2020
    Lake Elsinore Diamond, Lake Elsinore, CA, United States
     Save $5 on your Terrain Racing with code MUDRUN5 Learn More
  • September 27, 2020
    North Lake Tahoe California Spartan Race Spartan Beast 2020
    Squaw Valley, Olympic Valley, CA, United States
     Save 10% on your Spartan Race with code MRG10 Learn More
  • October 17, 2020
    Sacramento California Rugged Maniac 2020
    Murieta Equestrian Center, Rancho Murieta, CA, United States
     Save $5 on your Rugged Maniac with code MRG20 Learn More
  • October 24, 2020
    San Diego California Spartan Race Spartan Sprint City 2020
    Harbor Island Park, San Diego, CA, United States
     Save 10% on your Spartan Race with code MRG10 Learn More
  • October 24, 2020
    SoCal California Spartan Race Spartan Ultra Beast Fall 2020
    Tejon Ranch, Lebec, CA, United States
     Save 10% on your Spartan Race with code MRG10 Learn More
  • October 24, 2020
    SoCal California Spartan Race Spartan Beast Fall 2020
    Tejon Ranch, Lebec, CA, United States
     Save 10% on your Spartan Race with code MRG10 Learn More
  • October 25, 2020
    SoCal California Spartan Race Spartan Beast Fall 2020
    Tejon Ranch, Lebec, CA, United States
     Save 10% on your Spartan Race with code MRG10 Learn More
  • October 25, 2020
    SoCal California Spartan Race Spartan Sprint Fall 2020
    Tejon Ranch, Lebec, CA, United States
     Save 10% on your Spartan Race with code MRG10 Learn More
  • November 07, 2020
    Monterey California Spartan Race Spartan Super 2020
    Toro Park, Salinas, CA, United States
     Save 10% on your Spartan Race with code MRG10 Learn More
  • November 08, 2020
    Monterey California Spartan Race Spartan Sprint 2020
    Toro Park, Salinas, CA, United States
     Save 10% on your Spartan Race with code MRG10 Learn More
  • November 14, 2020
    San Luis Obispo California Spartan Race Spartan Ultra 2020
    Santa Margarita Ranch, Santa Margarita, CA, United States
     Save 10% on your Spartan Race with code MRG10 Learn More
  • November 14, 2020
    San Luis Obispo California Spartan Race Spartan Beast 2020
    Santa Margarita Ranch, Santa Margarita, CA, United States
     Save 10% on your Spartan Race with code MRG10 Learn More
  • November 14, 2020
    San Luis Obispo California Spartan Race Spartan Super 2020
    Santa Margarita Ranch, Santa Margarita, CA, United States
     Save 10% on your Spartan Race with code MRG10 Learn More
  • November 14, 2020
    Irvine California Terrain Race Mud Run 2020
    Oak Canyon Park, Silverado, CA, United States
     Save $5 on your Terrain Racing with code MUDRUN5 Learn More
  • November 14, 2020
    SoCal California Tough Mudder Classic & 5K 2020
    Lake Elsinore Diamond, Lake Elsinore, CA, United States
       Learn More
  • November 15, 2020
    SoCal California Tough Mudder Classic & 5K 2020
    Lake Elsinore Diamond, Lake Elsinore, CA, United States
       Learn More
  • November 21, 2020
    SoCal California Rugged Maniac Fall 2020
    Temecula Galway Downs, Temecula, CA, United States
     Save $5 on your Rugged Maniac with code MRG20 Learn More
  • November 21, 2020
    Sacramento California Spartan Race Spartan Super 10K 2020
    Van Vleck Ranch, Rancho Murieta, CA, United States
     Save 10% on your Spartan Race with code MRG10 Learn More
  • November 22, 2020
    Agoura Hills California Muddy Warriors Xperience 2020
    Paramount Ranch, Agoura Hills, CA, United States
       Learn More
  • November 22, 2020
    Sacramento California Spartan Race Spartan Sprint 5K 2020
    Van Vleck Ranch, Rancho Murieta, CA, United States
     Save 10% on your Spartan Race with code MRG10 Learn More
  • December 05, 2020
    San Francisco California Spartan Race Spartan Stadion 5K 2020
    TBA San Francisco, San Francisco, CA, United States
     Save 10% on your Spartan Race with code MRG10 Learn More
  • December 12, 2020
    Los Angeles California Spartan Race Spartan Sprint 5K 2020
    Castaic Lake State Recreation Area, Castaic, CA, United States
     Save 10% on your Spartan Race with code MRG10 Learn More
  • December 13, 2020
    Los Angeles California Spartan Race Spartan Sprint 5K 2020
    Castaic Lake State Recreation Area, Castaic, CA, United States
     Save 10% on your Spartan Race with code MRG10 Learn More
  • May 08, 2021
    Redding California Shasta Mud Run 2020
    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!