13–14 Jun | Buttonwillow Raceway Park, United States | The event has ended. | |
1–2 Aug | Thunderhill Raceway Park, United States | The event has ended. | |
22–23 Aug | Sonoma Raceway, United States | The event has ended. | |
10–11 Oct | Sonoma Raceway, United States | The event has ended. |
18 Apr Cancelled | Las Vegas Motor Speedway, United States | ||
8–9 May Cancelled | Sonoma Raceway, United States | ||
23–24 May Cancelled | Auto Club Speedway, United States |