IndyCar Series 2024 16 2024-09-01 2024-09-01 https://r2.thesportsdb.com/images/media/event/thumb/ap518h1700228931.jpg https://r2.thesportsdb.com/images/media/event/poster/fbr3pl1700228905.jpg The NTT IndyCar Series first held events at Milwaukee from 2004 to 2009, and again from 2011 to 2015. The most recent race (2015), was called the ABC Supply Wisconsin 250. After an eight-year hiatus, the IndyCar Series is scheduled to return for a doubleheader in 2024. 1919723