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
  • 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 22, 2020
    Randle Washington The 3 Elements Northern Lights 2020
    Summit to Swamp, Randle, WA, United States
      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
    Save 10% on your Spartan Race with code MRG10 Learn More
  • September 20, 2020
    Save 10% on your Spartan Race with code MRG10 Learn More
  • September 26, 2020
    Seattle Washington Tough Mudder Classic & 5K 2020
    Palmer Coking Coal Company, Black Diamond, WA, United States
      Learn More
  • September 27, 2020
    Seattle Washington Tough Mudder Classic & 5K 2020
    Palmer Coking Coal Company, Black Diamond, WA, United States
      Learn More
  • November 08, 2020
    Redmond Washington Winter Pineapple Classic 2020
    Marymoor Park, Redmond, WA, 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!