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Sea Turtle swims with Ironman athletes

Donald Miralle/Ironman via Getty Images

The green sea turtle, also known as 'Honu', is a symbol of good luck and longevity in Hawaiian lore. This native friend provides a little mystique to the 2,300 athletes who await the start signal of a 140.6-mile journey at the 2016 IRONMAN World Championship triathlon on October 8, 2016 in Kailua Kona, Hawaii.

2016 in numbers