20–21 Apr | Lime Rock Park, United States | The event has ended. | |
13–15 Jul | Monticello Motor Club, United States | The event has ended. | |
17–19 Aug | New Jersey Motorsports Park, United States | The event has ended. | |
21–23 Sep | Summit Point Motorsports Park, United States | The event has ended. | |
6–7 Oct | Hallett Motor Racing Circuit, United States | The event has ended. |