Video: Obstacle racing becoming popular sport in New Zealand

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.

Click above for the full story.