8–11 Jun | Indianapolis Motor Speedway, United States Open Wheel World Challenge | The event has ended. | |
20–23 Jul | Road America, United States The WeatherTech International Challenge | The event has ended. | |
29 Sep–1 Oct | Sonoma Raceway, United States 14th Annual Charity Challenge Vintage Car Road Races | The event has ended. | |
2–5 Nov | Circuit of the Americas, United States U.S. Vintage National Championship | The event has ended. |