The Indianapolis 500 is an automobile race held at the Indianapolis Motor Speedway in Speedway, Indiana, which is near Indianapolis, Indiana. It is one of the biggest racing events in the world. Every year more than 200,000 people come there to watch the race. It occurs once a year on the day before Memorial Day. This event gives its name to the IndyCar class, a type of open-wheel race car that races in it. Fans of this race sometimes call the race the Indy 500.