The Bommarito Automotive Group 500 presented by Axalta and Valvoline is an IndyCar Series race held at World Wide Technology Raceway in Madison, Illinois, United States. The event was first held as a CART series race from 1997 to 2000, initially on Memorial Day weekend. From 2001 to 2003, it was held as an Indy Racing League (IRL) event. After a hiatus of over a decade, the race returned in 2017 as part of the unified IndyCar Series.