Chessboxing



Eleven four-minute rounds make up the game, with boxing and chess bouts taking turns. Chess is played to start and end the fight.

Mud Obstacle Course Racing



In the extreme sport of mud obstacle course racing, competitors must get past a variety of obstacles arranged on a muddy, multi-kilometer course. Along with features of adventure sports, the competitions include running, crawling, climbing, and other physical tasks.
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Recommended Reading: Sports Beyond Imagination: The World's Weirdest Competitions
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