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

Use discount code MUDRUN for $15 off your Mass Mayhem registration!!!!


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Mass Mayhem is designed for anyone interested in the physical challenge of running 3 or more miles in mud and water, climbing over, through, or under a myriad of obstacles on the ski slopes of Blandford Ski Area! You will want to dig the mud out of your ears as Girls Guns and Glory rocks you with their unique Americana vibe combining elements of early rock ‘n’roll, country, and rhythm and blues. Grab a cold brew with your buds and celebrate your conquest with this award winning feature band. The first one’s on us for runners age 21+. Runners will also receive a race t-shirt, and a finisher medal!

Upcoming Mass Mayhem Events


We don't know of any upcoming events for Mass Mayhem. You can check out our list of past events and reviews below, or if you know of an upcoming race, add it to our calendar!



Browse our calendar of previous mud runs, mud races & obstacle races for Mass Mayhem

Mass Mayhem Reviews

Average rating: 1 / 5 from 1 reviews.

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Oct 03, 2014 by shelley

Sorry this is not a reveiw, I wanted to know if u were having a 2015 race.


The Ultimate Mud Run, Obstacle Race and Adventure Race Guide , USA 1.0 1.0 1 1 Sorry this is not a reveiw, I wanted to know if u were having a 2015 race.