Participating in the underwear run

GALLERY: Why these people are running in undies

Movember kicks off with men running in their underwear in Vancouver

Students to run through UC Irvine in undies – Orange County Register

Try a Undie Run this winter for a fun time and to help raise money.

Hundreds in Detroit run in their underwear for charity

Near-naked runners take on freezing winds in Serbia's Underwear Race

Health DO or DON'T: Runningin Your Underpants

Hundreds participate in 12th Underwear Run - The Huntington News

Joggers strip down for Houston's Undie Run

UCLA students participate in the semi-annual Undie Run