The 2012 Tums Fast Relief 500 was a NASCAR Sprint Cup Series stock car race held on October 28, 2012 at Martinsville Speedway in Ridgeway, Virginia. Contested over 500 laps on the 0.526-mile (0.847 km) oval, it was the thirty-third race of the 2012 Sprint Cup Series season, as well as the seventh race in the ten-race Chase for the Sprint Cup, which ends the season. Jimmie Johnson won the race, while Kyle Busch finished second, and Kasey Kahne clinched third. Chevrolet clinched their 36th Manufacturers Championship with Jimmie's win.