The IMSA VP Racing SportsCar Challenge series puts on endurance style races ranging from 1.5 - 3 hours in duration. The series features three distinct classes that are present at every race. The top class, Le Mans Prototype 3 (LMP3), are entry level prototype race cars from an array of different chassis manufactures. Alongside the P3 cars are our two production-based classes, Grand Sport X (GSX), built to international GT4 technical regulations, and our new for 2027 BMW M2 Racing class, featuring the new BMW M2 Racing car.