2015 Kona Underpants Run – Triathlete

The annual Underpants Run Ironman world championship, World championship, Iron man

IM Kona 2015 - Underpants Run

2013 Kona Underpants Run

Underpants Run Kailua-Kona HI

Runners strip down to run the Kona Underpants race - Canadian Running Magazine

Letting it all hang out: Runners compete in 18th annual Kona Underpants Run - West Hawaii Today

Kona Photos: The Underpants Run - Triathlon Magazine Canada

2015 Kona Underpants Run – Triathlete

Letting it all hang out: Runners compete in 18th annual Kona Underpants Run - West Hawaii Today