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

Don’t miss our 4th Annual Muddy Mayhem—
San Antonio’s Original Obstacle Run!



Expect mud, 15 obstacles, live music, free food, frosty beers, and frozen margaritas at the finish! San Antonio's Original Obstacle Run, The Muddy Mayhem, returns with what promises to be better than ever before.

Upcoming Muddy Mayhem Events

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  • Race discount More info
  • May 26, 2018
    Milton Keynes United Kingdom Muddy Mayhem 2018
    Willen Lakeside Park, Milton Keynes, United Kingdom
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  • July 14, 2018
    Nottingham United Kingdom Muddy Mayhem 2018
    National Watersports Centre, Holme Pierrpont, Nottingham, United Kingdom
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Browse our calendar of previous mud runs, mud races & obstacle races for Muddy Mayhem

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