By SI.com Staff
July 11, 2014

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You'd expect an afternoon out in the grassy fields in Kurrajong Heights in Australia to be a time to relax and unwind, but this group of racers spent the day speeding down the grass-covered hills in four-wheeled karts equipped with tire seats. Check out this 120 Sports Extreme clip of fast-flying grass racing and awesome kart crashes. 

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