Round 2: Saturday 29 April 2017
Silverstone is built on the site of a World War II Royal Air Force bomber station, RAF Silverstone, which opened in 1943. The airfield's three runways, in classic WWII triangle format, lie within the outline of the present track.
Silverstone was first used for motorsport by an ad hoc group of friends who set up an impromptu race in September 1947. One of their members, Maurice Geoghegan, lived in nearby Silverstone village and was aware that the airfield was deserted. He and eleven other drivers raced over a two-mile circuit, during the course of which Geoghegan himself ran over a sheep that had wandered onto the airfield. The sheep was killed and the car written off, and in the aftermath of this event the informal race became known as the Mutton Grand Prix.
The National Circuit might not be the longest configuration but don't discount it on this basis as it provides some great racing for the British Touring Car Championship and the Porsche Carrera Cup GB.