Watch people run through Fenway Park in underwear for Cupid's Undie Run

We were live at Cupid's Undie Run in Fenway Park. Hundreds gathered in nothing but underwear and ran in freezing temperature to raise money for neurofibromatosis (NF) research.

Cupid's Undie Run 2024 in San Francisco

Watch underwear race at Cupid's Undie Run in Tremont: Live video

Race through Fenway Park in your skivvies at Cupid's Undie Run

Rebecca Soulliere (@rsoulliere) / X

Cupid's Undie Run - Cupid's Undie Run

SEE: HANK At Cupid's Undie Run!

Cute Candid 10000 Plus

PHOTOS: Cupid's Undie Run Boston at Fenway Park

Thousands Across The Country Brave The Cold For Cupid's Undie Run

PHOTOS: Cupid's Undie Run Boston at Fenway Park

Race through Fenway Park in your skivvies at Cupid's Undie Run

Cupid's Undie Run — Boston