2017 Kona Underpants Run
Hundreds of triathletes, supporters and industry members stripped down for the 20th running of the Kona Underpants Run.
Photo: Oliver Baker
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In what has become one of the most popular (and wacky!) traditions of Ironman World Championship race week, hundreds of triathletes, supporters and industry members stripped down for the 20th running of the Kona Underpants Run. Read about the history and cause of this event here.
