Athletes strip down for underpants run at Ironman world championships - Canadian Running Magazine

Hundreds of triathletes stripped down to take part in the Kona Underpants Run in Hawaii ahead of the Ironman world championships.

Watch: Athletes strip down to underwear for annual run in Hawaii

Athletes strip down for underpants run at Ironman world championships - Canadian Running Magazine

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2016 Kona Underpants Run – Triathlete

Athletes strip down for underpants run at Ironman world championships - Canadian Running Magazine

Ironman Canada – Underwear Run