The 2022 IMSA Prototype Challenge was the seventeenth and final season of the IMSA Lites series and its successors, and the sixth under the IMSA Prototype Challenge name. The season started on January 21 at Daytona International Speedway and concluded on October 1 at Michelin Raceway Road Atlanta.
The provisional 2022 calendar was released on August 6, 2021, at IMSA's annual State of the Sport Address, featuring five rounds.
Championship points are awarded in each class at the finish of each event. Points are awarded based on finishing positions in the race as shown in the chart below.
â : Post-event penalty. Car moved to back of class.
â : Post-event penalty. Car moved to back of class.
â : Post-event penalty. Car moved to back of class.