Formula One World Drivers' Championship was not formalised until 1947. The first world championship race was held at Silverstone, United Kingdom in 1950. A championship for constructors followed in 1958. National championships existed in South Africa and the UK in the 1960s and 1970s. Non-championship Formula One events were held for many years, but due to the increasing cost of competition, the last of these occurred in 1983. On 26 November 2017, Formula One unveiled its new logo, following the 2017 season finale in Abu Dhabi during the Abu Dhabi Grand Prix at Yas Marina Circuit. The new logo replaced F1's iconic
Bahrain International Circuit by Valtteri Bottas, set during qualifying for the 2017 edition (1:28.769). The Bahrain International Circuit hosts a number of high-profile series, including the FIA Formula One World Championship, the FIA World Endurance Championship, the FIA Formula 2 Championship, Chevrolet Lumina Series, Thunder Arabia and Radical. Also every year there is the traditional 24 Hours of Bahrain. In the past the circuit has hosted the FIA GT Championship, Speedcar Series, Australian V8 Supercars, GP2 Asia Series, and a one-off Bahrain Superprix involving Formula Three cars, following on from the collapsed Korea Super Prix. The first ever Formula BMW World Final took