What It's Like To Be An Ironman Champion

Mirinda Carfrae has made a career out of balancing swimming, biking, and running - and an incredibly successful one at that.

The 33-year-old Australian won gold at the World Ironman Championship in 2010, and again this past October.

But the road to gold isn't an easy journey. We spoke to Carfrae about her grueling training, diet, and the business side of being a gold medal-winning triathlete.

This feature is a part of our Most Dominant Athletes series.