For now: A three-time Olympian and the greatest triathlete in U.S. history, Hunter Kemper joins GB for an early morning swim and a chat about staying world-class in his mid-30s. Next week: GB reveals the heartwarming reason that Hunter is competing in the Disney World Half Marathon.

This just in: This is Hunter and his wife Val (Val Sterk, a former member of the U.S. Olympic Volleyball team) just a few minutes after Hunter finished 4th in the Disney Half Marathon. An impressive performance considering this was basically a training run for Hunter who has been battling injury and unable to compete most of the past year.

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