19 Mar Cancelled | Sebring International Raceway, United States | ||
22 May Cancelled | WeatherTech Raceway Laguna Seca, United States | ||
29 May Cancelled | Lime Rock Park, United States | ||
20 Jun Cancelled | Mid-Ohio Sports Car Course, United States | ||
26–27 Jun Cancelled | New Jersey Motorsports Park, United States | ||
10 Jul Cancelled | Utah Motorsports Campus, United States | ||
24 Jul Cancelled | Lime Rock Park, United States | ||
31 Jul–1 Aug Cancelled | Autobahn Raceway, United States | ||
15 Aug Cancelled | Circuit Trois-Rivières, Canada | ||
1 Oct Cancelled | Michelin Raceway Road Atlanta, United States |