Racing classes are categories that organize different types of vehicles and drivers in competitive racing events. These classes are based on various factors, including vehicle specifications, engine size, and performance capabilities. For example, NASCAR and Formula 1 have distinct classes that cater to specific types of cars and racing formats. Each racing class has its own set of rules and regulations to ensure fair competition and safety. Participants must adhere to these guidelines, which can include weight limits, safety equipment requirements, and technical specifications. This structure helps maintain a level playing field and enhances the excitement of the races.