As you know, the Ironman triathlon is one of the most grueling races in the world with both amateurs and pros having to swim 2.4 miles, bike 112 and run a full marathon, and they must cover this distance in under 17 hours.
So what's it like to take on this extreme test of body and soul.
The professional triathletes like Chrissie Wellington, Craig Alexander and Chris McCormack make it look easy.
Check out the video below as we give you just some of the sights and sounds of Ironman Triathlon to help motivate you for the start of the 2012 race season.
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