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WITH ITS OFFICIAL launch in 1909 , the Indianapolis Motor Speedway became the first racing arena in America and is now one of the most famous racetracks in the world , home to Red Bull Indianapolis GP , the Angie ’ s List Grand Prix of Indianapolis , NASCAR ’ s Brickyard 400 and Indianapolis 500 .

Envisioned by businessman Carl Fisher , the 2 ½ mile track was originally constructed by approximately 500 workers with crushed rock and tar , which has since been renovated with the use of over 3 million bricks and asphalt , which has been placed on top of the original structure to enable cars to reach top speeds yet guarantee increased levels of safety .

With the capacity to seat around 400,000 citizens at each event through the construction of grandstands and various seating areas , but has been under continual refurbishment and renovation since the 1940s to remain accessible for competitions such as the Formula One World Championship and the United States Grand Prix .

32 December 2016