Kern County Raceway Park is a 0.5-mile (0.80 km) oval speedway located on CA 43 (Enos Lane) just off Interstate 5 in Bakersfield, Kern County, California, United States. Opened in 2013, it was built as a replacement for Mesa Marin Raceway. Kern County Raceway Park hosts events with NASCAR's Whelen All-American Series along with a K&N Pro Series West race since 2013.