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 30, 2018
    Pueblo Colorado Big Dog Brag 2018
    CSU-Pueblo ThunderBowl Football Stadium, Pueblo, CO, United States
    Save $5 on your Big Dog Brag with code MRG5 Learn More
  • July 07, 2018
    Denver Colorado Kids Obstacle Challenge 2018
    Philip S Miller Park, Castle Rock, CO, United States
    Save 10% on your Kids Obstacle Challenge with code MUDRUNGUIDE18 Learn More
  • July 08, 2018
    Denver Colorado Kids Obstacle Challenge 2018
    Philip S Miller Park, Castle Rock, CO, United States
    Save 10% on your Kids Obstacle Challenge with code MUDRUNGUIDE18 Learn More
  • July 28, 2018
    Pagosa Springs Colorado Pirate Plunge Mud Run 2018
    Yamaguchi Park, Pagosa Springs, CO, United States
      Learn More
  • August 04, 2018
    Colorado Springs Colorado Terrain Racing Mud Run 2018
    Ram Off-Road Park, Colorado Springs, CO, United States
    Save $5 on your Terrain Racing with code MUDRUN5 Learn More
  • August 11, 2018
    Denver Colorado Rugged Maniac 2018
    Thunder Valley Motocross, Lakewood, CO, United States
    Save $5 on your Rugged Maniac with code 18MRG Learn More
  • August 11, 2018
    Vail Colorado Kids Adventure Games 2018
    Vail Mountain, Vail, CO, United States
    Save $10 on your Kids Adventure Games with code MRG10A Learn More
  • August 18, 2018
    Colorado Rockies Spartan Race Spartan Beast 2018
    Breckenridge Ski Resort, Breckenridge, CO, United States
    Save 10% on your Spartan Race with code MRG10 Learn More
  • August 18, 2018
    Colorado Springs Colorado Ruffin Mudder 2018
    Palmer Park Colorado Springs, Colorado Springs, CO, United States
      Learn More
  • August 19, 2018
    Colorado Rockies Spartan Race Spartan Sprint 2018
    Breckenridge Ski Resort, Breckenridge, CO, United States
    Save 10% on your Spartan Race with code MRG10 Learn More
  • August 25, 2018
    Colorado Tough Mudder 2018
    Snowmass, Snowmass Village, CO, United States
    Save 25% on your Tough Mudder with code MRGTM25 Learn More
  • August 25, 2018
    Colorado Tough Mudder Half 2018
    Snowmass, Snowmass Village, CO, United States
    Save 25% on your Tough Mudder with code MRGTM25 Learn More
  • August 26, 2018
    Colorado Tough Mudder 2018
    Snowmass, Snowmass Village, CO, United States
    Save 25% on your Tough Mudder with code MRGTM25 Learn More
  • August 26, 2018
    Colorado Tough Mudder Half 2018
    Snowmass, Snowmass Village, CO, United States
    Save 25% on your Tough Mudder with code MRGTM25 Learn More
  • September 08, 2018
    Denver Colorado Terrain Racing Mud Run 2018
    The Recess Factory, Erie, CO, United States
    Save $5 on your Terrain Racing with code MUDRUN5 Learn More
  • September 15, 2018
    Denver Colorado MuckFest MS 2018
    Salisbury North, Parker, CO, United States
    Save $5 on your MuckFest MS with code MUDRUNGUIDE Learn More
  • September 15, 2018
    Colorado Warrior Dash 2018
    Colorado Renaissance Festival, Larkspur, CO, United States
    Save $5 on your Warrior Dash with code MRGWD6418 Learn More
  • October 07, 2018
    Loveland Colorado CerusLuv OCR 2018
    North Lake Park Loveland, Loveland, CO, United States
    Save $5 on your Cerus with code MRG5 Learn More
  • October 27, 2018
    Colorado Springs Colorado Ruffin Zombies 2018
    Palmer Park Colorado Springs, Colorado Springs, CO, United States
      Learn More
  • October 27, 2018
    Littleton Colorado The Great Pumpkin Haul 2018
    The Botanic Gardens at Chatfield, Littleton, CO, United States
      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!