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
  • September 24, 2017
    Auburn California Great Auburn Obstacle Race 2017
    Auburn Regional Park, Auburn, CA, United States
      Learn More
  • September 24, 2017
    San Diego California Mercenary Wars 2017
    Grinder Gym, San Diego, CA, United States
      Learn More
  • September 30, 2017
    Lake Tahoe California Spartan Race Spartan Beast 2017
    Squaw Valley, Olympic Valley, CA, United States
    Save 15% on your Spartan Race with code MUDRUNGUIDE15 Learn More
  • October 01, 2017
    Lake Tahoe California Spartan Race Spartan Beast 2017
    Squaw Valley, Olympic Valley, CA, United States
    Save 15% on your Spartan Race with code MUDRUNGUIDE15 Learn More
  • October 01, 2017
    Lake Tahoe California Spartan Race Spartan Ultra Beast 2017
    Squaw Valley, Olympic Valley, CA, United States
    Save 15% on your Spartan Race with code MUDRUNGUIDE15 Learn More
  • October 01, 2017
    Bay Area California MuckFest MS 2017
    Solano County Fairgrounds, Vallejo, CA, United States
    Save $5 on your MuckFest MS with code MUDRUNGUIDE Learn More
  • October 01, 2017
    Carlsbad California Super Hero Obstacle Race 2017
    Alga Norte Community Park, Carlsbad, CA, United States
      Learn More
  • October 07, 2017
      Learn More
  • October 14, 2017
    San Diego California BootCamp Challenge 2017
    Marine Corps Recruit Depot San Diego, San Diego, CA, United States
      Learn More
  • October 14, 2017
    NorCal California Tough Mudder 2017
    Sonoma Raceway, Sonoma, CA, United States
    Save $25 on your Tough Mudder with code MRGU25 Learn More
  • October 14, 2017
    NorCal California Tough Mudder Half 2017
    Sonoma Raceway, Sonoma, CA, United States
    Save $10 on your Tough Mudder with code MRGTMH Learn More
  • October 14, 2017
    NorCal California Rugged Maniac Fall 2017
    Alameda County Fairgrounds, Pleasanton, CA, United States
    Save $5 on your Rugged Maniac with code 5MRG Learn More
  • October 14, 2017
    San Bernardino California SBSD Mud Run 2017
    SBSD Training Grounds, San Bernardino, CA, United States
      Learn More
  • October 15, 2017
    NorCal California Tough Mudder 2017
    Sonoma Raceway, Sonoma, CA, United States
    Save $25 on your Tough Mudder with code MRGU25 Learn More
  • October 15, 2017
    NorCal California Tough Mudder Half 2017
    Sonoma Raceway, Sonoma, CA, United States
    Save $10 on your Tough Mudder with code MRGTMH Learn More
  • October 15, 2017
    Half Moon Bay California Pumpkin Power Run 2017
    Hatch Elementary School, Half Moon Bay, CA, United States
      Learn More
  • October 28, 2017
    SoCal California Spartan Race Spartan Beast #2 2017
    Bear Mountain Ski Resort, Big Bear Lake, CA, United States
    Save 15% on your Spartan Race with code MUDRUNGUIDE15 Learn More
  • October 28, 2017
    Los Angeles California Hot an Dirty Mud Run Zombie Run 2017
    Acton Movie Ranch, Acton, CA, United States
    Save $10 on your Hot an Dirty Mud Run with code MRG10 Learn More
  • October 28, 2017
    NorCal California The Gladiator Rock ‘n Run 2017
    Casa de Fruta, Hollister, CA, United States
    Save 25% on your Gladiator Rock n Run with code MUDMONDAY25 Learn More
  • October 28, 2017
    Sonora California High Country Goliath 2017
    Old Oak Ranch Conference Center, Sonora, CA, United States
      Learn More
  • October 29, 2017
    SoCal California Spartan Race Spartan Sprint #2 2017
    Bear Mountain Ski Resort, Big Bear Lake, CA, United States
    Save 15% on your Spartan Race with code MUDRUNGUIDE15 Learn More
  • November 04, 2017
    SoCal California Tough Mudder 2017
    Lake Elsinore Diamond, Lake Elsinore, CA, United States
    Save $25 on your Tough Mudder with code MRGU25 Learn More
  • November 04, 2017
    SoCal California Tough Mudder Half 2017
    Lake Elsinore Diamond, Lake Elsinore, CA, United States
    Save $10 on your Tough Mudder with code MRGTMH Learn More
  • November 05, 2017
    Sacramento California Mud Factor Fall 2017
    Uncle Ray’s Pumpkin Patch, Sacramento, CA, United States
      Learn More
  • November 05, 2017
    SoCal California Tough Mudder 2017
    Lake Elsinore Diamond, Lake Elsinore, CA, United States
    Save $25 on your Tough Mudder with code MRGU25 Learn More
  • November 05, 2017
    SoCal California Tough Mudder Half 2017
    Lake Elsinore Diamond, Lake Elsinore, CA, United States
    Save $10 on your Tough Mudder with code MRGTMH Learn More
  • November 11, 2017
    Sacramento California Spartan Race Spartan Super 2017
    Van Vleck Ranch, Rancho Murieta, CA, United States
    Save 15% on your Spartan Race with code MUDRUNGUIDE15 Learn More
  • November 11, 2017
    SoCal California MuckFest MS 2017
    Prado Regional Park, Chino, CA, United States
    Save $5 on your MuckFest MS with code MUDRUNGUIDE Learn More
  • November 11, 2017
    SoCal California Rugged Maniac Fall 2017
    Temecula Galway Downs, Temecula, CA, United States
    Save $5 on your Rugged Maniac with code 5MRG Learn More
  • November 12, 2017
    Sacramento California Spartan Race Spartan Sprint 2017
    Van Vleck Ranch, Rancho Murieta, CA, United States
    Save 15% on your Spartan Race with code MUDRUNGUIDE15 Learn More
  • November 18, 2017
    Save 15% on your Spartan Race with code MUDRUNGUIDE15 Learn More
  • November 18, 2017
    Irvine California Terrain Racing Mud Run 2017
    Oak Canyon Park, Silverado, CA, United States
      Learn More
  • November 19, 2017
    Agoura Hills California Muddy Warriors Xperience 2017
    Paramount Ranch, Agoura Hills, CA, United States
      Learn More
  • December 09, 2017
    Los Angeles California Spartan Race Spartan Sprint 2017
    Castaic Lake State Recreation Area, Castaic, CA, United States
    Save 15% on your Spartan Race with code MUDRUNGUIDE15 Learn More
  • December 10, 2017
    Los Angeles California Spartan Race Spartan Sprint 2017
    Castaic Lake State Recreation Area, Castaic, CA, United States
    Save 15% on your Spartan Race with code MUDRUNGUIDE15 Learn More
  • January 27, 2018
    SoCal California Spartan Race Spartan Super 2018
    TBA SoCal, Temecula, CA, United States
    Save 15% on your Spartan Race with code MUDRUNGUIDE15 Learn More
  • January 28, 2018
    SoCal California Spartan Race Spartan Sprint 2018
    TBA SoCal, Temecula, CA, United States
    Save 15% on your Spartan Race with code MUDRUNGUIDE15 Learn More
  • February 17, 2018
    Santa Clarita California Grit OCR Spring 2018
    East Walker Ranch Open Space, Santa Clarita, CA, United States
      Learn More
  • March 03, 2018
    Los Angeles California Tough Mudder 2018
    Polsa Rosa Ranch, Acton, CA, United States
      Learn More
  • March 03, 2018
    Los Angeles California Tough Mudder Half 2018
    Polsa Rosa Ranch, Acton, CA, United States
      Learn More
  • March 04, 2018
    Los Angeles California Tough Mudder 2018
    Polsa Rosa Ranch, Acton, CA, United States
      Learn More
  • March 04, 2018
    Los Angeles California Tough Mudder Half 2018
    Polsa Rosa Ranch, Acton, CA, United States
      Learn More
  • March 17, 2018
    Fresno California Mud Factor Spring 2018
    Hobb’s Grove, Sanger, CA, United States
      Learn More
  • March 24, 2018
    San Jose California Spartan Race Spartan Super 2018
    Diablo Grande, Patterson, CA, United States
    Save 15% on your Spartan Race with code MUDRUNGUIDE15 Learn More
  • March 25, 2018
    San Jose California Spartan Race Spartan Sprint 2018
    Diablo Grande, Patterson, CA, United States
    Save 15% on your Spartan Race with code MUDRUNGUIDE15 Learn More
  • April 01, 2018
    Forestville California Russian River Mud Run Spring 2018
    Ya Ka Ama, Forestville, CA, United States
    Save $10 on your Russian River Mud Run with code MUDRUNGUIDE Learn More
  • April 14, 2018
    Orange County California The Gladiator Rock ‘n Run 2017
    Angel Stadium, Anaheim, CA, United States
    Save 15% on your Gladiator Rock n Run with code MRG2017 Learn More
  • April 28, 2018
    Los Angeles California Rugged Maniac 2018
    Castaic Lake State Recreation Area, Castaic, CA, United States
    Save $5 on your Rugged Maniac with code 5MRG Learn More
  • May 19, 2018
    SoCal California Spartan Race Spartan Beast 2018
    TBA SoCal, Temecula, CA, United States
    Save 15% on your Spartan Race with code MUDRUNGUIDE15 Learn More
  • May 20, 2018
    SoCal California Spartan Race Spartan Sprint 2018
    TBA SoCal, Temecula, CA, United States
    Save 15% on your Spartan Race with code MUDRUNGUIDE15 Learn More
  • June 09, 2018
    Monterey California Spartan Race Spartan Super 2018
    TBA 90 minute drive from Monterey, CA, Monterey, CA, United States
    Save 15% on your Spartan Race with code MUDRUNGUIDE15 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!