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 24, 2017
    Pueblo Colorado Big Dog Brag Mud Run 2017
    CSU-Pueblo ThunderBowl Football Stadium, Pueblo, CO, United States
    Save $5 on your Big Dog Brag with code MRG5 Learn More
  • July 15, 2017
    Colorado Tough Mudder 2017
    Copper Mountain Ski Resort, Copper Mountain, CO, United States
      Learn More
  • July 15, 2017
    Colorado Tough Mudder Half 2017
    Copper Mountain Ski Resort, Copper Mountain, CO, United States
    Save $10 on your Tough Mudder with code MRGTMH Learn More
  • July 15, 2017
    Denver Colorado MuckFest MS 2017
    Salisbury North, Parker, CO, United States
    Save $5 on your MuckFest MS with code MUDRUNGUIDE Learn More
  • July 16, 2017
    Colorado Tough Mudder 2017
    Copper Mountain Ski Resort, Copper Mountain, CO, United States
      Learn More
  • July 16, 2017
    Colorado Tough Mudder Half 2017
    Copper Mountain Ski Resort, Copper Mountain, CO, United States
    Save $10 on your Tough Mudder with code MRGTMH Learn More
  • August 12, 2017
    Denver Colorado Rugged Maniac 2017
    Thunder Valley Motocross, Lakewood, CO, United States
    Save $5 on your Rugged Maniac with code 5MRG Learn More
  • August 12, 2017
    Denver Colorado Muddy Mortal 2017
    TBA 2 hour drive from Denver, Co, Denver, CO, United States
      Learn More
  • August 26, 2017
    Denver Colorado Terrain Racing Mud Run 2017
    The Recess Factory, Erie, CO, United States
      Learn More
  • August 26, 2017
    Colorado Rockies Spartan Race Spartan Beast 2017
    Beaver Run Resort, Breckenridge, CO, United States
    Save 15% on your Spartan Race with code MUDRUNGUIDE15 Learn More
  • August 26, 2017
    Colorado Rockies Spartan Race Spartan Ultra Beast 2017
    Beaver Run Resort, Breckenridge, CO, United States
    Save 15% on your Spartan Race with code MUDRUNGUIDE15 Learn More
  • August 27, 2017
    Colorado Rockies Spartan Race Spartan Sprint 2017
    Beaver Run Resort, Breckenridge, CO, United States
    Save 15% on your Spartan Race with code MUDRUNGUIDE15 Learn More
  • September 16, 2017
    Colorado Warrior Dash 2017
    Colorado Renaissance Festival, Larkspur, CO, United States
    Save $5 on your Warrior Dash with code 5MRGWD6 Learn More
  • September 17, 2017
    Colorado Springs Colorado Kids Ninja Competition 2017
    Springs Ninja Park, Colorado Springs, CO, United States
      Learn More
  • May 05, 2018
    Colorado Spartan Race Spartan Super 2018
    TBA Colorado Springs, Colorado Springs, CO, United States
    Save 15% on your Spartan Race with code MUDRUNGUIDE15 Learn More
  • May 06, 2018
    Colorado Spartan Race Spartan Sprint 2018
    TBA Colorado Springs, Colorado Springs, CO, United States
    Save 15% on your Spartan Race with code MUDRUNGUIDE15 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!