Denver, Colorado Obstacle Races & Mud Runs

A complete list, guide & calendar of obstacle races, ocrs, and mud runs in Denver, Colorado


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Not exactly what you were looking for? Well, check out our directory by country, US states, major cities worldwide, or just view upcoming obstacles races in Colorado!

Click an event name below to see course descriptions, obstalce lists, coupons, discounts, prizes, awards, parking cost, spectator fees and more about each event.

  • Race discount More info
  • June 29, 2019
    Colorado Springs Colorado Big Dog Brag 2019
    Ram Off-Road Park, Colorado Springs, CO, United States
    Save $5 on your Big Dog Brag with code MRG5 Learn More
  • July 13, 2019
    Fort Carson Colorado Springs Spartan Race Spartan Super 2019
    Fort Carson Army Base, Fort Carson, CO, United States
    Save 50% with a Spartan Pass! Learn More
  • July 14, 2019
    Fort Carson Colorado Springs Spartan Race Spartan Sprint 2019
    Fort Carson Army Base, Fort Carson, CO, United States
    Save 50% with a Spartan Pass! Learn More
  • July 27, 2019
    Denver Colorado Kids Obstacle Challenge 2019
    Apex Center, Arvada, CO, United States
    Save 10% on your Kids Obstacle Challenge with code MUDRUNGUIDE19 Learn More
  • July 28, 2019
    Denver Colorado Kids Obstacle Challenge 2019
    Apex Center, Arvada, CO, United States
    Save 10% on your Kids Obstacle Challenge with code MUDRUNGUIDE19 Learn More
  • August 03, 2019
    Colorado Rockies Spartan Race Spartan Ultra Beast 2019
    Snowmass, Snowmass Village, CO, United States
    Save 50% with a Spartan Pass! Learn More
  • August 03, 2019
    Colorado Rockies Spartan Race Spartan Beast 2019
    Snowmass, Snowmass Village, CO, United States
    Save 50% with a Spartan Pass! Learn More
  • August 04, 2019
    Colorado Rockies Spartan Race Spartan Sprint 2019
    Snowmass, Snowmass Village, CO, United States
    Save 50% with a Spartan Pass! Learn More
  • August 10, 2019
    Denver Colorado Rugged Maniac 2019
    Thunder Valley Motocross, Lakewood, CO, United States
    Save $5 on your Rugged Maniac with code MRG19 Learn More
  • August 10, 2019
    Colorado Tough Mudder Classic & 5K 2019
    Sterling Ranch, Littleton, CO, United States
    Save 25% on your Tough Mudder with code MRG2019 Learn More
  • August 10, 2019
    Vail Colorado Kids Adventure Games 2019
    Vail Mountain, Vail, CO, United States
    Save $10 on your Kids Adventure Games with code MRG2019 Learn More
  • August 11, 2019
    Colorado Tough Mudder Classic & 5K 2019
    Sterling Ranch, Littleton, CO, United States
    Save 25% on your Tough Mudder with code MRG2019 Learn More
  • August 11, 2019
    Denver Colorado Muddy Princess 2019
    The Recess Factory, Erie, CO, United States
      Learn More
  • September 07, 2019
    Denver Colorado Terrain Race Mud Run 2019
    The Recess Factory, Erie, CO, United States
    Save $5 on your Terrain Racing with code MUDRUN5 Learn More
  • September 14, 2019
    Colorado Warrior Dash 2019
    Colorado Renaissance Festival, Larkspur, CO, United States
    Save $5 on your Warrior Dash with code MRGWD619 Learn More
  • September 14, 2019
    Denver Colorado MuckFest 2019
    Salisbury North, Parker, CO, United States
    Save $5 on your MuckFest with code MUDRUNGUIDE Learn More
  • September 21, 2019
    La Salle Colorado CerusLuv 2019
    Fritzler Farm Park, La Salle, CO, United States
    Save $5 on your Cerus with code MRG5 Learn More

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!