4.023 km (Rectangular oval track), 3.925 km (Grand Prix road course), 4.218 km (Motorcycle course)
The Indianapolis Motor Speedway is said to be the highest-capacity sports venue in the whole world that may hold around 257,325 spectators.
The racetrack has been a designated National Historic Site since the year 1987. It was also placed on the National Register of Historic Places in the year 1975.
The Indianapolis Motor Speedway is a race track, located in Speedway, Indiana, United States on the corner of 16th Street and Georgetown Road. The Indianapolis Motor Speedway is the first race track to be named a speedway. An estimated amount of $3 million was spent on the construction work that commenced on 15th March 1909. The chief architects involved in its development were Carl G. Fisher, James A.Allison, F. H. Wheeler, and Arthur Newby. The stadium was opened to the spectators on 12th August 1909. The Indianapolis Motor Speedway is owned by Hulman and Co. and operated by the Indianapolis Motor Speedway Corporation. A modern infield road course was added to the racetrack between the years 1998 and 2000. It incorporated the southern and western parts of the track, making it a bigger one. The Indianapolis Motor Speedway is the place where Indianapolis 500 and NASCAR's Brickyard 400 are held.
A significant event of the International Race of Champions (IROC) was held at the Indianapolis Motor Speedway in the year 1998.
The "OneAmerica 500 Festival Mini-Marathon" is a half marathon that has been hosted by the Indianapolis Motor Speedway since 1977.
The 500 Festival Open Invitation, a PGA Tour event was held at the Speedway Golf Course which was built in 1929. The event has been held here from 1960 to 1968.
The Speedway hosted the opening ceremonies and the speed roller skating competition of the 1987 Pan American Games.
It has also hosted the United States Auto Club quarter midget racing since 2009 which is more popular as "Battle at the Brickyard".