The 2015 Bojangles' Southern 500, the 66th running of the event, was a NASCAR Sprint Cup Series race held on September 6, 2015, at Darlington Raceway in Darlington, South Carolina. Contested over 367 laps on the 1.366 mile (2.198 km) egg-shaped speedway, it was the 25th race of the 2015 NASCAR Sprint Cup Series season. Carl Edwards won the race, the 25th of his career. Brad Keselowski finished second. Denny Hamlin, Joey Logano and Kevin Harvick rounded out the top five.