Crawling through the mud under barbwire, scaling three metre high walls, and carrying 35-kilogram sand bags, sounds like something out of an army training camp right?
Well, this extreme form of exercise is no longer just for soldiers.
"Obstacle racing" is a new sport growing in popularity around the world, including here in New Zealand.
Kristina Eddy went to find out what attracts people to this gruelling form of competition.
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