The NASCAR Nationwide Series, now known as the NASCAR Xfinity Series, is a professional stock car racing series in the United States. It serves as a developmental league for drivers aspiring to compete in the top-tier NASCAR Cup Series. The series features a mix of established drivers and up-and-coming talent, providing a platform for competition and growth. Races in the NASCAR Nationwide Series typically take place on various tracks, including ovals and road courses. The series has a dedicated fan base and showcases a range of sponsors and teams, contributing to the overall popularity of NASCAR racing.