Rufforth Circuit is a disused motor racing circuit built on an airfield in North Yorkshire, England. Rufforth circuit was built on the site of a World War II bomber base, RAF Rufforth, opened in 1942. The airfield remained in active service after the war, eventually closing in 1954. Rufforth circuit opened in 1959, and held races until 1962. The circuit hosted Formula 2 and Formula Junior races between 1961-1978 as well as numerous sports car events.