HSR Prototype Challenge

The HSR Prototype Challenge is a historic sports car racing series based in the United States, organized by Historic Sportscar Racing (HSR). The series features prototype race cars from various eras, focusing on preserving and showcasing vintage and historic prototype sports cars in competitive racing events. The HSR Prototype Challenge provides a platform for enthusiasts and collectors to race their historic prototype vehicles in a structured and professionally managed environment. Events are held at prominent road racing circuits across the United States, attracting a dedicated community of drivers, teams, and fans interested in historic motorsport. The series emphasizes the preservation of racing heritage while maintaining competitive and safe racing conditions for participants.