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  • OFF TO THE RACES photo | Patrick Dempsey

Credit: Ray Nichols/Splash

Published: Monday Mar 31, 2008 | 04:00 PM EDT

OFF TO THE RACES

Radio? Check! Jumpsuit? Check! Patrick Dempsey gets revved up Friday at the Grand-Am Rolex Sports Car Series at Homestead-Miami Speedway. The Grey's Anatomy star – and racing enthusiast – burned rubber in the 250-mile, 109-lap race.