Simplify the following text for a Grade 10 native English-speaking person.
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 .