23–25 Mar | Circuit of the Americas, United States Grand Prix of Texas | The event has ended. | |
27–29 Apr | Virginia International Raceway, United States Grand Prix of Virginia presented by Audi Sport | The event has ended. | |
25–28 May | Lime Rock Park, United States Grand Prix of Lime Rock powered by M | The event has ended. | |
13–15 Jul | Portland International Raceway, United States 58th Rose Cup Races | The event has ended. | |
10–12 Aug | Utah Motorsports Campus, United States GP of Utah | The event has ended. |