High Quality Content by WIKIPEDIA articles! The 2010 Showtime Southern 500 was a NASCAR Sprint Cup Series motor race that was held on May 8, 2010 at Darlington Raceway in Darlington, South Carolina. It was the eleventh race of the 2010 NASCAR Sprint Cup Series season. The event began at 7:30 p.m. EDT. It was televised live in the United States on Fox and its U.S. radio coverage was broadcast on Motor Racing Network starting at 6 p.m. EDT.