(WHAS11) -- Local runners have an excuse to show off their undies in public at the fourth annual Louisville Underpants Run.
The Louisville Underpants Run starts at 11 a.m. Saturday at the Belle of Louisville landing. The run, or walk, is one and a half miles.
WHAS11's Renee Murphy spoke with event organizer Kevin Brooks to find out more. Click on the video player to view.