IMSA PROTOTYPE CHALLENGE THE CLASSES
IMSA Prototype Challenge enters its 16th season of competition in 2021. The series provides thrilling action and grooms drivers for future Prototype competition in the IMSA WeatherTech SportsCar Championship.
Racing is divided between the LMP3 Le Mans Prototype P3-1 class and the LMP3 Le Mans Prototype P3-2 class. Click here for the Official IMSA Sporting Regulations.
Le Mans Prototype P3-1 (P3-1)
Le Mans Prototype P3-2 (P3-2)