The twice-annual tradition, not sanctioned by the university, has gone on for a decade, maybe longer. Video by: Drew A. Kelley

Chapman University students ran from in-front of Memorial Hall to the Plaza and back wearing only underwear. Video by Drew A. Kelley for The Orange County Regiser

Chapman University students trot on their end of the spring 2010 semester underwear run through downtown Orange. The University did not officially condone the run this time and is threatening to cancel it. Video by Mark Eades, ocregister.com/video

Thousands packed into the Bren Events Center at UCI to hear the Dalai Lama speak in Irvine. Video by Eugene Garcia, ocregister.com

Sights and sounds from the 2011 O.C. Marathon. Video by Eugene Garcia, ocregister.com