Formula One, often referred to as F1 and Formula 1, is a form of open wheeled auto racing that began in 1950. Races, usually known as Grand Prix take place all around the world on purpose built circuits as well as temporary street circuits.
Many of the world's top car manufacturers compete in F1. The cars are capable of speeds up to around 360 km/h (225 mph), are turbocharged, and rev to up to 15000RPM.
The 2013 season received a global audience of 450 million people. Around 100,000 people attend each Grand Prix in person.
A Formula One race is typically 305 km (190 miles) in length and lasts around one and a half hours.
Patrese was forced to retire after an engine failure led to a spin, and once Piquet had also stopped, Prost held a clear lead over Elio de Angelis and Keke Rosberg. However, with five laps remaining, Prost's engine gave up, and this left De Angelis to fight off Rosberg, who was closing fast. De Angelis only just managed to maintain the lead, which was 0.05 seconds as the pair crossed the finish line. Jacques Laffite finished third and Tambay was fourth, Niki Lauda fifth and Mauro Baldi sixth. Piquet set the fastest lap.
As a result, Pironi's lead was reduced to six points, now from Rosberg, with Watson in third. In the Constructors', Ferrari saw their lead over McLaren increase by a point.
Lewis Hamilton signs a new three-year deal with Mercedes, remaining with the team until 2018, earning a basic salary of £20.9m (US$31m) a year and up to £27m (US$40m) with bonuses.
A meeting of the F1 Strategy Group concludes with various rule changes for 2017, including the return of in-race refuelling as one of a series of measures to make cars five to six seconds a lap faster.
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