18–19 Mar | WeatherTech Raceway Laguna Seca, United States HMSA Spring Club Event | The event has ended. | |
7–9 Apr | Long Beach Street Circuit, United States Grand Prix of Long Beach | The event has ended. | |
19–21 May | Barber Motorsports Park, United States 3nd Annual Barber Historics | The event has ended. | |
7–9 Jul | Circuit Mont-Tremblant, Canada Sommet des Legendes | The event has ended. | |
12–13 Aug | WeatherTech Raceway Laguna Seca, United States Monterey Pre-Reunion | The event has ended. | |
17–20 Aug | WeatherTech Raceway Laguna Seca, United States Rolex Monterey Reunion | The event has ended. |