What's more fun than an Undie Run?

Jockey sponsoring 3rd Flannel Fest, featuring the famous Undie Run, on Oct. 7 at Pets

UCI students strip down for Undie Run – Orange County Register

Northeastern's Annual Underwear Run

How would you describe your experience of undie runs (or any costume-themed runs)? : r/running

Northeastern's Annual Underwear Run

The 29 Best Plus Size Underwear of 2024

Washington DC Capitol Cupid's Undies Run

Northeastern's Annual Underwear Run

Cal State Fullerton undie run draws 4,000 – Orange County Register

News - The Arizona State Press

Underwear Runs: The Next Big Trend - RunToTheFinish