Seattle, Washington Obstacle Races & Mud Runs

A complete list, guide & calendar of obstacle races, ocrs, and mud runs in Seattle, Washington


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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 Washington!

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
  • July 21, 2018
    Portland Oregon Kids Obstacle Challenge 2018
    Sherwood Forest, Sherwood, OR, United States
    Save 10% on your Kids Obstacle Challenge with code MUDRUNGUIDE18 Learn More
  • August 05, 2018
    British Columbia Canada The Ah-Mazing Race 2018
    Chilliwack Corn Maze, British Columbia, Canada
      Learn More
  • August 11, 2018
    Portland Oregon Spartan Race Spartan Sprint 2018
    Washougal MX Park, Washougal, WA, United States
    Save 10% on your Spartan Race with code MRG10 Learn More
  • August 11, 2018
    Seattle Washington Mud Factor 2018
    DirtFish Rally School, Snoqualmie, WA, United States
      Learn More
  • August 11, 2018
    Snohomish Washington Mud and Muck Aid for Africa 2018
    Snohomish Valley Golf Center, Snohomish, WA, United States
      Learn More
  • August 18, 2018
    Seattle Washington Kids Obstacle Challenge 2018
    Lake Sammamish State Park, Issaquah Plateau, WA, United States
    Save 10% on your Kids Obstacle Challenge with code MUDRUNGUIDE18 Learn More
  • August 19, 2018
    Seattle Washington Kids Obstacle Challenge 2018
    Lake Sammamish State Park, Issaquah Plateau, WA, United States
    Save 10% on your Kids Obstacle Challenge with code MUDRUNGUIDE18 Learn More
  • August 25, 2018
    Seattle Washington Kids Adventure Games 2018
    Stevens Pass Mountain Resort, Skykomish, WA, United States
    Save $10 on your Kids Adventure Games with code MRG10A Learn More
  • September 08, 2018
    Seattle Washington Spartan Race Spartan Beast Fall 2018
    Meadow Wood Ranch, Snohomish, WA, United States
    Save 10% on your Spartan Race with code MRG10 Learn More
  • September 09, 2018
    Seattle Washington Spartan Race Spartan Sprint Fall 2018
    Meadow Wood Ranch, Snohomish, WA, United States
    Save 10% on your Spartan Race with code MRG10 Learn More
  • September 09, 2018
    Astoria Oregon Ole’s Assault 2018
    Klaskanine RV & Campground, Astoria, OR, United States
      Learn More
  • September 22, 2018
    Washington Warrior Dash 2018
    Carnation Farms, Carnation, WA, United States
    Save $5 on your Warrior Dash with code MRGWD7618 Learn More
  • September 22, 2018
    Seattle Washington Tough Mudder 2018
    Palmer Coking Coal Company, Black Diamond, WA, United States
    Save 25% on your Tough Mudder with code MRGTM25 Learn More
  • September 22, 2018
    Seattle Washington Tough Mudder Half 2018
    Palmer Coking Coal Company, Black Diamond, WA, United States
    Save 25% on your Tough Mudder with code MRGTM25 Learn More
  • September 22, 2018
    Vancouver Canada Spartan Race Spartan Sprint 2018
    Mt. Seymour, North Vancouver, British Columbia, Canada
    Save 10% on your Spartan Race with code MRG10 Learn More
  • September 22, 2018
    British Columbia Canada Freak N Farmer 2018
    Covert Farms Family Estate, Oliver, British Columbia, Canada
      Learn More
  • September 23, 2018
    Seattle Washington Tough Mudder 2018
    Palmer Coking Coal Company, Black Diamond, WA, United States
    Save 25% on your Tough Mudder with code MRGTM25 Learn More
  • September 23, 2018
    Seattle Washington Tough Mudder Half 2018
    Palmer Coking Coal Company, Black Diamond, WA, United States
    Save 25% on your Tough Mudder with code MRGTM25 Learn More
  • September 23, 2018
    Vancouver Canada Spartan Race Spartan Super 2018
    Mt. Seymour, North Vancouver, British Columbia, Canada
    Save 10% on your Spartan Race with code MRG10 Learn More
  • October 13, 2018
    Vancouver Canada Terrain Racing Mud Run 2018
    Cloverdale Fairgrounds, Surrey, Canada
    Save $5 on your Terrain Racing with code MUDRUN5 Learn More
  • November 18, 2018
    Redmond Washington Winter Pineapple Classic 2018
    Marymoor Park, Redmond, WA, United States
      Learn More
  • March 16, 2019
    Tualatin Oregon The Dirty Leprechaun 2019
    Lee Farms, Tualatin, OR, United States
      Learn More
  • March 30, 2019
    Montesano Washington Beasts Endurance Ghost 2019
    TBA Montesano, Montesano, WA, United States
      Learn More
  • April 13, 2019
    Seattle Washington Spartan Race Spartan Super 2019
    Meadow Wood Ranch, Snohomish, WA, United States
    Save 10% on your Spartan Race with code MRG10 Learn More
  • April 14, 2019
    Seattle Washington Spartan Race Spartan Sprint 2019
    Meadow Wood Ranch, Snohomish, WA, United States
    Save 10% on your Spartan Race with code MRG10 Learn More
  • May 18, 2019
    Oregon Warrior Dash 2019
    Pat’s Acres Racing Complex, Canby, OR, United States
    Save $5 on your Warrior Dash with code MRGWD7618 Learn More
  • June 01, 2019
    Vancouver Canada The 5K Foam Fest 2019
    TBA Vancouver, Vancouver, Canada
    Save $5 on your The 5K Foam Fest with code MRG5 Learn More
  • June 08, 2019
    Nanaimo British Columbia Canada The 5K Foam Fest 2019
    Arbutus Meadows Event & Equestrian Ctr., Nanoose Bay, British Columbia, Canada
    Save $5 on your The 5K Foam Fest 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!