NASCAR is the premier sanctioning body for stock car racing in North America and one of the most prominent motorsport organizations globally. Founded in 1948, NASCAR oversees a range of professional racing series, including the top-tier NASCAR Cup Series, hosting events at major tracks across the United States. Alongside its racing activities, NASCAR operates advanced research and safety programmes, using high-speed crash analysis, vehicle dynamics testing, and driver performance research to improve motorsport safety and inform broader automotive innovation.
