23–24 Mar | Circuit of the Americas, United States | The event has ended. | |
6–7 Apr | Barber Motorsports Park, United States | The event has ended. | |
21–22 Jun | Road America, United States | The event has ended. | |
27–28 Jul | Mid-Ohio Sports Car Course, United States | The event has ended. | |
31 Aug–1 Sep | Portland International Raceway, United States | The event has ended. | |
21 Sep | WeatherTech Raceway Laguna Seca, United States | The event has ended. |