22–24 Jul | Road America, United States WeatherTech International Challenge | The event has ended. | |
3–4 Sep | Indianapolis Motor Speedway, United States | The event has ended. | |
10–13 Sep | Mid-Ohio Sports Car Course, United States Honda Indy 200 at Mid-Ohio | The event has ended. | |
24–26 Sep | Mid-Ohio Sports Car Course, United States Acura Sports Car Challenge at Mid-Ohio | The event has ended. | |
9–11 Oct | New Jersey Motorsports Park, United States | The event has ended. | |
23–24 Oct | Streets of St. Petersburg, United States Firestone Grand Prix of St. Petersburg | The event has ended. |
3–5 Apr Cancelled | Barber Motorsports Park, United States Honda Indy Grand Prix of Alabama | ||
24–26 Apr Cancelled | Circuit of the Americas, United States AutoNation IndyCar Challenge | ||
10–13 Sep Cancelled | Portland International Raceway, United States Grand Prix of Portland | ||
18–20 Sep Cancelled | WeatherTech Raceway Laguna Seca, United States Firestone Grand Prix of Monterey |