Zappos.Com Rock 'n' Roll Las Vegas Marathon

A street performer, dressed as Alan Garner, the character portrayed by Zach Galifianakis in The Hangover movies, watches runners during the Zappos.com Rock 'n' Roll Las Vegas Marathon Sunday, Dec. 2, 2012.

A street performer, dressed as Alan Garner, the character portrayed by Zach Galifianakis in The Hangover movies, watches runners during the Zappos.com Rock 'n' Roll Las Vegas Marathon Sunday, Dec. 2, 2012. by Steve Marcus