1–3 May | Hallett Motor Racing Circuit, United States | The event has ended. | |
12–14 Jun | Hallett Motor Racing Circuit, United States | The event has ended. | |
31 Jul–2 Aug | Hallett Motor Racing Circuit, United States | The event has ended. | |
11–13 Sep | Hallett Motor Racing Circuit, United States | The event has ended. | |
30 Oct–1 Nov | Hallett Motor Racing Circuit, United States | The event has ended. | |
20–22 Nov | Hallett Motor Racing Circuit, United States | The event has ended. |