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The Chevrolet Indy Dual in Detroit presented by Quicken Loans is a weekend of professional auto racing held at the Renaissance Center and later Belle Isle in Detroit, United States. It has been held from 1989–2001 and from 2007–08, restarting in 2012. It has headlined the CART open-wheel series in the first era and the IndyCar Series in the latter, supported by feeders such as the Indy Lights and Formula Atlantic and top-level sports car series such as the Trans-Am Series and the ALMS. It has been held in June, after the Milwakuee and before the Portland.
Open wheel racing in Detroit dates back to the 1920s–1950s, when AAA held the Detroit 100 at the Michigan State Fairgrounds Speedway. AAA also held one five-mile (8 km), non-championship race at Grosse Pointe in 1905.