Davidstow Circuit is a disused motor racing circuit and airfield built in Cornwall, in the United Kingdom. The circuit was built on the site of a World War II RAF Coastal Command base, RAF Davidstow Moor, opened in 1942. Davidstow circuit opened in 1952, and held three Formula 1 races between 1954 and 1955. The circuit hosted its last race in 1955, and was one of many of Britain's airfields to be transformed into motor racing venues.