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
  • February 15, 2020
    Tualatin Oregon My Muddy Valentine 2020
    Lee Farms, Tualatin, OR, United States
    Save 10% on your My Muddy Valentine with code MRG20MR Learn More
  • March 14, 2020
    Tualatin Oregon The Dirty Leprechaun 2020
    Lee Farms, Tualatin, OR, United States
    Save 10% on your The Dirty Leprechaun with code MRG20MR Learn More
  • 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 09, 2020
    Seattle Washington Muddy Dash 2020
    Grays Harbor ORV, McCleary, WA, United States
      Learn More
  • May 16, 2020
    Portland Oregon Muddy Dash 2020
    Washougal MX Park, Washougal, WA, United States
      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 MRG20 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 MRG20 Learn More
  • August 01, 2020
    Seattle Washington Terrain Race Mud Run 2020
    Grays Harbor ORV, McCleary, WA, United States
    Save $5 on your Terrain Racing with code MUDRUN5 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
  • August 08, 2020
    Portland Oregon Terrain Race Mud Run 2020
    Sherwood Forest, Sherwood, OR, United States
    Save $5 on your Terrain Racing with code MUDRUN5 Learn More
  • August 22, 2020
    Portland Oregon Subaru Kids Obstacle Challenge 2020
    Sherwood Forest Equestrian Center, Sherwood, OR, United States
    Save 10% on your Kids Obstacle Challenge with code MUDRUNGUIDE20 Learn More
  • August 23, 2020
    Portland Oregon Subaru Kids Obstacle Challenge 2020
    Sherwood Forest Equestrian Center, Sherwood, OR, United States
    Save 10% on your Kids Obstacle Challenge with code MUDRUNGUIDE20 Learn More
  • August 29, 2020
    Seattle Washington Subaru Kids Obstacle Challenge 2020
    Lake Sammamish State Park, Issaquah Plateau, WA, United States
    Save 10% on your Kids Obstacle Challenge with code MUDRUNGUIDE20 Learn More
  • August 30, 2020
    Seattle Washington Subaru Kids Obstacle Challenge 2020
    Lake Sammamish State Park, Issaquah Plateau, WA, United States
    Save 10% on your Kids Obstacle Challenge with code MUDRUNGUIDE20 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

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Don't forget, you can always use our handy Worldwide Mud Run Finder to search for an event using our interactive map!