2020 IMSA Prototype Challenge

The 2020 IMSA Prototype Challenge is the fifteenth season of the IMSA Lites series and its successors and the fourth season as the IMSA Prototype Challenge. The opening race of the season was on January 4 at the Daytona International Speedway and the season concludes on October 9 at Road Atlanta. The championship will be contested solely by LMP3 class prototypes.

Race schedule
The 2020 schedule was released August 2, 2019. A revised calendar was released May 15, 2020, due to changes made because of the COVID-19 pandemic.

Calendar changes

 * The round at Virginia International Raceway was replaced by a round at Road America.
 * Due to COVID-19 restrictions, the round at Mosport was replaced with a round at VIR.

Entry List
All cars use the Nissan VK50VE 5.0L V8 engine.