The 2019 Michelin Pilot Challenge is the twentieth season of the IMSA SportsCar Challenge and the sixth season organized by the International Motor Sports Association (IMSA).
The Street Tuner (ST) class will not return to the renamed series after the 2018 season.
The 2019 schedule was released on 3 August 2018 and features twelve rounds.
Championship points are awarded in each class at the finish of each event.
Points are awarded based on finishing positions as shown in the chart below.