The Chicago Undy Run/Walk is a Running race in Chicago, Illinois consisting of a 5K.
Hit the streets in your boxers and briefs and shine the spotlight on cancer! The Undy/Run Walk is a fun event with a serious message -- colon cancer is the second leading cause of cancer deaths in the U.S, and we want to get people talking about it!
This pet-and family friendly event is open to all ages. It features a 5k course and also includes a 1-Mile Fun Run.
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