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
  • April 04, 2020
    North Seattle Washington Spartan Race Spartan Super 2020
    Meadow Wood Ranch, Snohomish, WA, United States
    Save 10% on your Spartan Race with code MRG10 Learn More
  • April 05, 2020
    North Seattle Washington Spartan Race Spartan Sprint 2020
    Meadow Wood Ranch, Snohomish, WA, United States
    Save 10% on your Spartan Race with code MRG10 Learn More
  • May 16, 2020
    Portland Oregon Warrior Dash 2020
    Pat’s Acres Racing Complex, Canby, OR, United States
    Save $5 on your Warrior Dash with code MRGWD719 Learn More
  • May 30, 2020
    Vancouver British Columbia Canada The 5K Foam Fest 2020
    Cloverdale Fairgrounds, Surrey, Canada
    Save $5 on your The 5K Foam Fest with code MRG5 Learn More
  • June 06, 2020
    Portland Oregon Rugged Maniac 2020
    Portland International Raceway, Portland, OR, United States
    Save $5 on your Rugged Maniac with code MRG19 Learn More
  • June 06, 2020
    Nanaimo British Columbia Canada The 5K Foam Fest 2020
    Arbutus Meadows Event & Equestrian Ctr., Nanoose Bay, British Columbia, Canada
    Save $5 on your The 5K Foam Fest with code MRG5 Learn More
  • June 13, 2020
    Whistler Canada Tough Mudder Classic & 5K 2020
    Whistler Olympic Park, Whistler, British Columbia, Canada
      Learn More
  • June 14, 2020
    Whistler Canada Tough Mudder Classic & 5K 2020
    Whistler Olympic Park, Whistler, British Columbia, Canada
      Learn More
  • July 11, 2020
    Vancouver Canada Rugged Maniac 2020
    Cloverdale Fairgrounds, Surrey, Canada
    Save $5 on your Rugged Maniac with code MRG19 Learn More
  • August 08, 2020
    Portland Oregon Spartan Race Spartan Sprint 2020
    Washougal MX Park, Washougal, WA, United States
    Save 10% on your Spartan Race with code MRG10 Learn More
  • September 12, 2020
    Seattle North Washington Spartan Race Spartan Beast Fall 2020
    Meadow Wood Ranch, Snohomish, WA, United States
    Save 10% on your Spartan Race with code MRG10 Learn More
  • September 13, 2020
    Seattle North Washington Spartan Race Spartan Sprint Fall 2020
    Meadow Wood Ranch, Snohomish, WA, United States
    Save 10% on your Spartan Race with code MRG10 Learn More
  • September 19, 2020
    Seattle Washington Tough Mudder Classic & 5K 2020
    Palmer Coking Coal Company, Black Diamond, WA, United States
      Learn More
  • September 19, 2020
    Save 10% on your Spartan Race with code MRG10 Learn More
  • September 20, 2020
    Seattle Washington Tough Mudder Classic & 5K 2020
    Palmer Coking Coal Company, Black Diamond, WA, United States
      Learn More
  • September 20, 2020
    Save 10% on your Spartan Race with code MRG10 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!