Colorado State University's annual 'Undie Run' is Friday

Jockey to sponsor Jockey Undie Run and Flannel Fest at Petrifying

BARE at CSU - Event formerly known as the Undie Run

University of Oregon students strip down for charity Undie Run

Photos: 2018 Undie Run at Colorado State University

Undie Run 2019: More than 1K participate in Colorado State

CSU Undie Run Videos: Hundreds Strip, but Attendance Down

Photos: 2018 Undie Run at Colorado State University

Colorado State University urges students not to run around campus

CSU Undie Run 2021 Videos Update

Things to do this weekend in Denver: Run in your undies

Undie Run: Charge of the Bobcat brigade enlivens campus