Runners braved the cold in their underwear during Cupid’s Undie Run in Seaside Heights, the nation’s largest pants-less party run for charity.

Nearly 200 people took part in the D.C. Cupid’s Undie Run this year, racing to raise money for the research of a rare genetic disorder.

On Feb. 15, Pittsburghers gathered to participate in the Cupid's Undie Run, which is an event that raises awareness of neurofibromatosis (NF), a genetic disorder that causes tumors to grow on ...

Every February, thousands of undie runners in cities across the U.S. come together, whether it be in-person or virtually, to support those affected by NF, a group of genetic conditions that cause ...

It might sound kinda ridiculous, but, hey, you're the one who needs a date. A bunch of charitable-people-turned-exhibitionists are going to be running through the neighborhood in nothing but their ...

The Cupid's Undie Run benefits the Children's Tumor Foundation and will be held at 17 locations throughout the U.S. This year Philly is one of the cities joining in on the 2 p.m. action.