Gateway Motorsports Park (formerly Gateway International Raceway) is a motorsport race track in Madison, Illinois, just east of St. Louis, Missouri, United States, close to the Gateway Arch. It features a 1.25-mile (2 kilometer) oval used by the NASCAR Gander Outdoors Truck Series and IndyCar Series, a 1.6-mile (2.6 km) infield road course used by SCCA, Porsche Club of America and various car clubs, and quarter-mile drag strip that hosts an annual National Hot Rod Association event.
The first major event held at the facility was a CART series held on Saturday May 24, 1997, the day before the Indy Racing League's Indianapolis 500. Rather than scheduling a race directly opposite the Indy 500 (as they had done in 1996 with the U.S. 500), CART scheduled Gateway the day before to serve as their Memorial Day weekend open-wheel alternative without direct conflict. After a couple years, track management grew increasingly dissatisfied with its apparent use, as seen by some, as a political pawn or statement by CART. This event had poor attendance as fans generally chose to travel to the Indy 500 for the weekend instead. For 2000, the race was moved to the fall. In 2001, it was dropped from the CART series schedule, and switched alliances to the Indy Racing League. After mediocre attendance, the event was dropped altogether after 2003. It was later re-added to the schedule for 2017.
The facilities were owned by Dover Motorsports, a group that also owned what is now Memphis International Raceway, along with Dover International Speedway, and the Nashville Superspeedway. After being shuttered on November 3, 2010, it was announced on September 8, 2011 that the facility would be re-opened by St. Louis real estate developer and former professional racer (IndyCar Indy Lights) Curtis Francois.