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 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.

Jimmie Kenneth Johnson is an American professional auto racing driver. He competes part-time in the NASCAR Cup Series, driving the No. 84 Toyota Camry XSE for his team, Legacy Motor Club. Johnson's seven Cup championships, the first five of which are consecutive, are tied with Richard Petty and Dale Earnhardt for the most all-time. From 2021 to 2022, Johnson competed in the IndyCar Series for Chip Ganassi Racing, and has competed occasionally in sports car racing throughout his career.