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
Pau Grand Prix Pau Grand Prix The Pau Grand Prix () is a motor race held in Pau, in the Pyrénées-Atlantiques department of southwestern France. The French Grand Prix was held at Pau in 1930, leading to the annual Pau Grand Prix being inaugurated in 1933. It was not run during World War II. The race takes place around the centre of the city, where public roads are closed to form a street circuit, and over the years the event has variously conformed to the rules of Grand Prix racing, Formula One, Formula Two, Formula 3000, Formula Three, Formula Libre, sports car racing,