15–16 Jun | Mid-Ohio Sports Car Course, United States | The event has ended. | |
5–6 Jul | Lime Rock Park, United States | The event has ended. | |
17–18 Aug | Kansas Speedway, United States | The event has ended. | |
7–8 Sep | Calabogie Motorsports Park, Canada | The event has ended. | |
5–6 Oct | Virginia International Raceway, United States | The event has ended. | |
18–19 Oct | Auto Club Speedway, United States | The event has ended. |