Instruct: Given a question, retrieve documents that answer the question.
Query: What was the first race held at the Silverstone Circuit?
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.[8]
The British Grand Prix is a race in the calendar of the FIA Formula One World Championship. It is currently held at the Silverstone Circuit near the village of Silverstone in Northamptonshire in England. The 2018 event was the 69th time that the race had been run as a World Championship event since the inaugural season in , and the 52nd time that a World Championship round had been held at Silverstone.
The 4 Hours of Silverstone was an endurance motor race held at the Silverstone Circuit near Silverstone, England on 10–11 April 2015, and served as the opening round of the 2015 European Le Mans Series, and the first race under the series' new four-hour format. The event shared the weekend at Silverstone with the FIA World Endurance Championship's six-hour event.
The 1950 British Grand Prix, formally known as The Royal Automobile Club Grand Prix d'Europe Incorporating The British Grand Prix, was a Formula One motor race held on 13 May 1950 at the Silverstone Circuit in Silverstone, England. It was the first World Championship Formula One race in the modern era, as well as the fifth British Grand Prix, and the third to be held at Silverstone after motor racing resumed after World War II. It was the first race of seven in the 1950 World Championship of Drivers.
The 2014 Silverstone GP2 Series round was a pair of motor races held on July 5 and 6, 2014 at the Silverstone Circuit in Silverstone, United Kingdom as part of the GP2 Series. It is the fifth round of the 2014 season. The race weekend supported the 2014 British Grand Prix.
Silverstone is the current home of the British Grand Prix, which it first hosted in 1948. The 1950 British Grand Prix at Silverstone was the first race[4] in the newly created World Championship of Drivers.[5] The race rotated between Silverstone, Aintree and Brands Hatch from 1955 to 1986, but relocated permanently to Silverstone in 1987.
The 1963 British Grand Prix was a Formula One motor race held at the Silverstone Circuit in Northamptonshire, England on 20 July 1963. It was race 5 of 10 in both the 1963 World Championship of Drivers and the 1963 International Cup for Formula One Manufacturers. It was also the eighteenth British Grand Prix, and the first to be held at Silverstone since 1960. The race was won by Jim Clark for the second year in succession driving a Lotus 25.
The 6 Hours of Silverstone (formerly the 1000 km of Silverstone) is an endurance sports car race held at Silverstone Circuit near the Northamptonshire villages of Silverstone and Whittlebury. First run in 1976 as part of the World Sportscar Championship, the race continues today with the FIA World Endurance Championship. Since 2013, the RAC Tourist Trophy has been awarded to the winners of the event.
The Silverstone 24 Hour is a sports car race in endurance racing, held annually at Silverstone Circuit in the United Kingdom.
The XXX BRDC International Trophy was a motor race for Formula One cars held on 19 March 1978 at the Silverstone Circuit, England. It was the 30th running of the International Trophy, and the last to non-Championship Formula One regulations. The race was held over 40 laps of the Silverstone circuit, for a total distance of around .
The 2017 British Grand Prix (formally known as the 2017 Formula 1 Rolex British Grand Prix) was a Formula One motor race that took place on 16 July 2017 at the Silverstone Circuit in Silverstone, United Kingdom. This race was the seventy-second running of the British Grand Prix, the sixty-eighth time that the race has been run as a World Championship event, and the fifty-second time that the World Championship event has been held at the Silverstone Circuit. 
The 2016 British Grand Prix (formally known as the 2016 Formula 1 British Grand Prix) was a Formula One motor race that was held on 10 July 2016 at the Silverstone Circuit in Silverstone, United Kingdom. This race was the seventy-first running of the British Grand Prix, the first having been held in 1926, and was the tenth round of the 2016 FIA Formula One World Championship and the fifty-second time that the race was held at the Silverstone Circuit since the Formula One series inception in .
The 4 Hours of Silverstone was an endurance motor race held at the Silverstone Circuit near Silverstone, England on 18–19 April 2014, and served as the opening round of the 2014 European Le Mans Series, and the first race under the series' new four-hour format. The event shared the weekend at Silverstone with the FIA World Endurance Championship's six-hour event. The French trio of Pierre Thiriet, Ludovic Badey, and Tristan Gommendy won the race overall for TDS Racing, ahead of Race Performance's Michel Frey and Franck Mailleux and Morand Racing's Christian Klien, Gary Hirsch, and Romain Brandela. The LMGTE category was led by Duncan Cameron, Michele Rugolo, and Matt Griffin for AF Corse, while Team Ukraine's Andriy Kruglyk, Sergii Chukanov, and Alessandro Pier Guidi were victorious in the GTC class.
Adidas Silverstone Half Marathon is a road half marathon that was held each year on the Silverstone Circuit between 2003 and 2017, usually in March. The race did not occur in 2018 and will not be taking place in 2019. The race is currently sponsored by Adidas, as the Adidas Silverstone Half Marathon. The race is organised by London Marathon Ltd.
The 2011 RAC Tourist Trophy was an auto racing event held at the Silverstone Circuit, Silverstone, England on 3–5 June, and was the fifth round of the 2011 FIA GT1 World Championship season. It was the FIA GT1 World Championship's second race held at the Silverstone, although it is the first international racing series to use the brand new pit complex which was being built at the time of last years race. The event was supported by the FIA GT3 European Championship, GT4 European Cup and Lamborghini Blancpain Super Trofeo.
The 2010 Silverstone Formula Two round was the first round of the 2010 FIA Formula Two Championship season. It was held on 18 August 2009 at the old configuration of the Silverstone Circuit in Northamptonshire, England. Pole position for first race was secured by Jolyon Palmer. Philipp Eng set his fastest lap in second qualifying.
The 2018 British Grand Prix (formally known as the Formula 1 2018 Rolex British Grand Prix) was a Formula One motor race held on 8 July 2018 at the Silverstone Circuit in Silverstone, United Kingdom. The race was the tenth round of the 2018 Formula One World Championship. It marked 73rd running of the British Grand Prix, the 69th time that the race had been run as a World Championship event, and the 52nd time that the World Championship event had been held at the Silverstone Circuit.
Today the airfield is a major racing circuit known as Silverstone Circuit. The circuit hosted the first ever Formula One World Championship race, the 1950 British Grand Prix, held on 13 May 1950. Since 1987 the track has hosted the British Grand Prix every year. The airfield's three runways, in a standard World War II era triangle, lie within the outline of the classic racetrack; after recent development of a new section of track, the main runway is transected by the circuit. Sections of two runways are used for the smaller south circuit.
The 14th BRDC International Trophy was a motor race, run to Formula One rules, held on 12 May 1962 at the Silverstone Circuit, England. The race was run over 52 laps of the Silverstone Grand Prix circuit, and was won by British driver Graham Hill in a BRM P57.
The 1987 British Grand Prix (formally the XL Shell Oils British Grand Prix) was a Formula One motor race held on 12 July 1987 at the Silverstone Circuit, Silverstone. It was the seventh race of the 1987 FIA Formula One World Championship. It was the 42nd British Grand Prix and the 23rd to be held at Silverstone. The race was held over 65 laps of the circuit for race distance of .
The 2012 Silverstone GP2 Series round and the 2012 Silverstone GP3 Series round was a group of motor races held at the Silverstone Circuit in Great Britain for the GP2 and GP3 Series championships. The races, held on 7 and 8 July, were in support of the British Formula One Grand Prix. The GP2 races were the seventh round of the 2012 GP2 championship, while the GP3 races formed the fourth round of the 2012 GP3 season.
The 2016 6 Hours of Silverstone was an endurance sports car racing event held at the Silverstone Circuit in Northamptonshire, England on 15–17 April 2016. Silverstone served as the opening round of the 2016 FIA World Endurance Championship, and was the fifth running of the event as part of the championship. 52,000 people attended the race weekend.
The 2014 6 Hours of Silverstone was an endurance sports car racing event held at the Silverstone Circuit near Silverstone, England on 17–20 April 2014. The event served as the opening round of the 2014 World Endurance Championship, and overall race winners were awarded the annual Tourist Trophy by the Royal Automobile Club. Toyota became the first Japanese manufacturer to win Silverstone's endurance race, with Anthony Davidson, Sébastien Buemi, and Nicolas Lapierre leading the team's second TS040 Hybrid to a 1–2 finish. The race, which had run under mixed weather conditions, was stopped in the final half-hour of competition due to heavy rains and not restarted.
The 17th BRDC International Trophy was a motor race, run to Formula One rules, held on 15 May 1965 at the Silverstone Circuit, England. The race was run over 52 laps of the Silverstone Grand Prix circuit, and was won by British driver Jackie Stewart in a BRM P261.
The 2015 British Grand Prix (formally known as the 2015 Formula 1 British Grand Prix) was a Formula One motor race that took place on 5 July 2015 at the Silverstone Circuit in Silverstone, United Kingdom. The race was the ninth round of the 2015 season, and marked the 70th running of the British Grand Prix, and the 51st time that the race was held at the Silverstone Circuit.