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Joe Kernen 'doing Ironman this summer'

6:52 AM ET Thu, 12 June 2014

CNBC's Joe Kernen jokes he plans to swim 2.4 miles, bike 112 miles and run 26.2 miles to complete an Ironman over the course of this summer, to Andrew Messick, Ironman World Triathlon Corp. CEO. Messick provides insight to the sign-up process, and his company's work to promote the best athletes.