Chicago is one of 17 cities across the country participating in Cupid’s Undie Run, which serves as a national fundraiser to benefit the Children’s Tumor Foundation (CTF). Since its first event in 2010, Cupid’s Undie Run has donated more than $400,000 to CTF with 100 percent of fundraising dollars going straight to the foundation. Participants must be at least 21.
Location: Houndstooth Saloon, 3369 N. Clark St.