Magnuson Series obstacle races, mud run, and OCR information, distance, cost, dates, calendar, discounts, obstacles, reviews, and more

Come challenge your endurance, balance, agility and strength at this years Obstacle Fun Run.

Upcoming Magnuson Series Events

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  • Race discount More info
  • July 04, 2019
    Seattle Washington Magnuson Series Red White and Boom 2019
    Magnuson Park, Seattle, WA, United States
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Browse our calendar of previous mud runs, mud races & obstacle races for Magnuson Series

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