8–11 Jun | Pittsburgh International Race Complex, United States | The event has ended. | |
1–2 Jul | Watkins Glen International, United States | The event has ended. | |
29–30 Jul | Mid-Ohio Sports Car Course, United States | The event has ended. | |
16–17 Sep | Nelson Ledges Road Course, United States | The event has ended. | |
14–15 Oct | Mid-Ohio Sports Car Course, United States | The event has ended. | |
2–4 Nov | Michelin Raceway Road Atlanta, United States | The event has ended. |