Original: The Indianapolis Motor Speedway, located in Speedway, Indiana (an enclave suburb of Indianapolis) in the United States, is the home of the Indianapolis 500-Mile Race and the Brickyard 400.
Simplified: The Indianapolis Motor Speedway (IMS), located in Speedway, Indiana (an enclave suburb of Indianapolis) in the United States. It is the home of the Indianapolis 500 race and the Brickyard 400 race.