Events

2017 Kona Underpants Run

Hundreds of triathletes, supporters and industry members stripped down for the 20th running of the Kona Underpants Run.

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.

More from Kona