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 07, 2019
    Tracy California Eagal Lakes Resort Great American Hero 2019
    Eagal Lakes Resort, Tracy, CA, United States
      Learn More
  • September 14, 2019
    Adelanto California High Desert Mud Run 2019
    Adelanto Stadium, Adelanto, CA, United States
      Learn More
  • September 21, 2019
    Redding California Mud Mash at the Nash Ranch 2019
    Nash Ranch, Redding, CA, United States
      Learn More
  • September 22, 2019
    Auburn California Great Auburn Obstacle Race 2019
    Auburn Regional Park, Auburn, CA, United States
      Learn More
  • September 28, 2019
    Save 50% with a Spartan Pass! Learn More
  • September 28, 2019
    Save 50% with a Spartan Pass! Learn More
  • September 29, 2019
    Save 50% with a Spartan Pass! Learn More
  • October 05, 2019
    NorCal California Tough Mudder Classic & 5K 2019
    Sonoma Raceway, Sonoma, CA, United States
    Save 25% on your Tough Mudder with code MRG2019 Learn More
  • October 06, 2019
    NorCal California Tough Mudder Classic & 5K 2019
    Sonoma Raceway, Sonoma, CA, United States
    Save 25% on your Tough Mudder with code MRG2019 Learn More
  • October 06, 2019
    San Bernardino California Muddy Princess 2019
    Calimesa Country Club, Calimesa, CA, United States
      Learn More
  • October 12, 2019
    Los Angeles California Ultra Active 365 Urban Obstacle Course 2019
    TBA 2 hour drive from Los Angeles, CA, Los Angeles, CA, United States
      Learn More
  • October 19, 2019
    Sacramento California Rugged Maniac 2019
    Murieta Equestrian Center, Rancho Murieta, CA, United States
    Save $5 on your Rugged Maniac with code MRG19 Learn More
  • October 26, 2019
    SoCal California Spartan Race Spartan Beast Fall 2019
    Tejon Ranch, Lebec, CA, United States
    Save 50% with a Spartan Pass! Learn More
  • October 27, 2019
    SoCal California Spartan Race Spartan Beast Fall 2019
    Tejon Ranch, Lebec, CA, United States
    Save 50% with a Spartan Pass! Learn More
  • October 27, 2019
    SoCal California Spartan Race Spartan Sprint Fall 2019
    Tejon Ranch, Lebec, CA, United States
    Save 50% with a Spartan Pass! Learn More
  • October 27, 2019
    San Luis Obispo California SLO Ultra 2019
    Lopez Lake Arroyo Grande, Arroyo Grande, CA, United States
      Learn More
  • November 02, 2019
    SoCal California Tough Mudder Classic & 5K 2019
    Lake Elsinore Diamond, Lake Elsinore, CA, United States
    Save 25% on your Tough Mudder with code MRG2019 Learn More
  • November 03, 2019
    SoCal California Tough Mudder Classic & 5K 2019
    Lake Elsinore Diamond, Lake Elsinore, CA, United States
    Save 25% on your Tough Mudder with code MRG2019 Learn More
  • November 03, 2019
    Escondido California Mud Factor 2019
    Bates Nut Farm, Valley ‍‍‍Center, CA, United States
      Learn More
  • November 09, 2019
    Los Angeles California Warrior Dash 2019
    Castaic Lake State Recreation Area, Castaic, CA, United States
    Save $5 on your Warrior Dash with code MRGWD719 Learn More
  • November 09, 2019
    San Diego California Epic Series Obstacle Challenge Fall 2019
    Fiesta Island, San Diego, CA, United States
    Save 10% on your EPIC Series with code MRG10 Learn More
  • November 09, 2019
    Bakersfield California Mud Factor 2019
    Hart Memorial Park, Bakersfield, CA, United States
      Learn More
  • November 10, 2019
    Huntington Beach California 3 Elements 2019
    Our Gym Huntington Beach, Huntington Beach, CA, United States
      Learn More
  • November 16, 2019
    Irvine California Terrain Racing Mud Run 2019
    Oak Canyon Park, Silverado, CA, United States
    Save $5 on your Terrain Racing with code MUDRUN5 Learn More
  • November 16, 2019
    SoCal Temecula California Rugged Maniac 2019
    Temecula Galway Downs, Temecula, CA, United States
    Save $5 on your Rugged Maniac with code MRG19 Learn More
  • November 16, 2019
    Sacramento California Spartan Race Spartan Super 2019
    Van Vleck Ranch, Rancho Murieta, CA, United States
    Save 50% with a Spartan Pass! Learn More
  • November 16, 2019
    Solano California Mud Factor 2019
    Argyll MX, Dixon, CA, United States
      Learn More
  • November 17, 2019
    Sacramento California Spartan Race Spartan Sprint 2019
    Van Vleck Ranch, Rancho Murieta, CA, United States
    Save 50% with a Spartan Pass! Learn More
  • November 23, 2019
    Save 50% with a Spartan Pass! Learn More
  • November 23, 2019
    Silverado California Muddy Dash Irvine 2019
    Oak Canyon Park, Silverado, CA, United States
      Learn More
  • November 24, 2019
    Save 50% with a Spartan Pass! Learn More
  • November 24, 2019
    Agoura Hills California Muddy Warriors Xperience Fall 2019
    Paramount Ranch, Agoura Hills, CA, United States
      Learn More
  • November 30, 2019
    Monrovia California SISU 24 Winter 2019
    Camp Trask, Monrovia, CA, United States
    Save 15% on your SISU Endurance with code MRG98 Learn More
  • December 07, 2019
    Los Angeles California Spartan Race Spartan Sprint Fall 2019
    Castaic Lake State Recreation Area, Castaic, CA, United States
    Save 50% with a Spartan Pass! Learn More
  • December 08, 2019
    Los Angeles California Spartan Race Spartan Sprint Fall 2019
    Castaic Lake State Recreation Area, Castaic, CA, United States
    Save 50% with a Spartan Pass! Learn More
  • December 14, 2019
    Central California Spartan Race Spartan Ultra Beast 2019
    Ted Chamberlin Ranch, Los Olivos, CA, United States
    Save 50% with a Spartan Pass! Learn More
  • December 14, 2019
    Central California Spartan Race Spartan Beast 2019
    Ted Chamberlin Ranch, Los Olivos, CA, United States
    Save 50% with a Spartan Pass! Learn More
  • January 12, 2020
    Signal Hill California 3 Elements 2020
    RUT Camp, Signal Hill, CA, United States
      Learn More
  • January 25, 2020
    SoCal California Spartan Race Spartan Super 2020
    Prado Regional Park, Chino, CA, United States
    Save 10% on your Spartan Race with code MRG10 Learn More
  • January 26, 2020
    SoCal California Spartan Race Spartan Sprint 2020
    Prado Regional Park, Chino, CA, United States
    Save 10% on your Spartan Race with code MRG10 Learn More
  • February 08, 2020
    San Diego California Rad Dogs Mud Run 2020
    Bates Nut Farm, Valley ‍‍‍Center, CA, United States
    Save $5 on your Rad Dogs Mud Run with code MRG05 Learn More
  • February 15, 2020
    San Jose California Spartan Race Spartan Super 2020
    Diablo Grande, Patterson, CA, United States
    Save 10% on your Spartan Race with code MRG10 Learn More
  • February 16, 2020
    San Jose California Spartan Race Spartan Sprint 2020
    Diablo Grande, Patterson, CA, United States
    Save 10% on your Spartan Race with code MRG10 Learn More
  • February 22, 2020
    Santa Clarita California Grit OCR Spring 2020
    East Walker Ranch Open Space, Santa Clarita, CA, United States
    Save 20% on your Grit OCR with code MRG20 Learn More
  • April 04, 2020
    Los Angeles California Tough Mudder Classic & 5K 2020
    Glen Helen Raceway, San Bernardino, CA, United States
    Save 25% on your Tough Mudder with code MRG2019 Learn More
  • April 05, 2020
    Los Angeles California Tough Mudder Classic & 5K 2020
    Glen Helen Raceway, San Bernardino, CA, United States
    Save 25% on your Tough Mudder with code MRG2019 Learn More
  • April 25, 2020
    San Francisco California Rugged Maniac 2020
    Alameda County Fairgrounds, Pleasanton, CA, United States
    Save $5 on your Rugged Maniac with code MRG19 Learn More
  • May 16, 2020
    Los Angeles California Rugged Maniac 2020
    Castaic Lake State Recreation Area, Castaic, CA, United States
    Save $5 on your Rugged Maniac with code MRG19 Learn More
  • May 31, 2020
    San Jose California Muddy Princess 2020
    Joseph D. Grant Regional Park, San Jose, CA, United States
      Learn More
  • June 06, 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
  • June 06, 2020
    Camp Pendleton California Marine Corps Mud Run 2020
    Camp Pendleton (Lake O’Neill), Camp Pendleton, CA, United States
    Save $5 on your Marine Corps Mud Run with code MRGMCMR19 Learn More
  • June 07, 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

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!