The Triple Crown is a "championship" consisting of three 500 Mile Super Speedway races on the IndyCar calendar. Traditionally, the crown jewel races were events at Indianapolis Motor Speedway, Pocono Raceway, and a third race at either Ontario Motor Speedway, Michigan International Speedway, or Auto Club Speedway. In some years a driver would be recognized as a "Triple Crown Champion" if they were to score the most points in the three races; Al Unser being the only driver to win all three 500 mile races during the 1978 IndyCar Season. Even though three super speedways and three 500 mile races have been featured in many seasons, only in 1971–1989 and 2013–2015 were "Triple Crowns" recognized.