Thomson Road Grand Prix circuit Thomson Road Grand Prix circuit The Thomson Road Grand Prix circuit was a former street circuit on Old Upper Thomson Road in Singapore. It hosted races from 1961 to 1973 under Formula Libre and Australian Formula 2 rules; races until 1965 are now considered part of the lineage of the Malaysian Grand Prix, and races after Singapore's independence in 1966 are considered part of the lineage of the Singapore Grand Prix. During the initial years, the main Motorcycle and Car Grand Prix lasted 60 laps, although this was eventually refined into two separate races - a preliminary 20 lap event
Aintree Motor Racing Circuit to the Grands Prix, which were organised by the British Automobile Racing Club, the circuit also held eleven non-championship Formula 1 races, known as the Aintree 200, first won by Stirling Moss in 1954 with the last winner being Jack Brabham, in April 1964 (Brabham had made his Formula One debut at the circuit in the 1955 British GP). Aintree was the location for the famous race in 1955 in which Stirling Moss won his first British Grand Prix, driving a Mercedes. Two years later, he and Tony Brooks (sharing the Vanwall) became the first British drivers to win both