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
San Marino Grand Prix 1954. In April 1963, the first race with Formula One cars took place at Imola, as a non-championship event, won by Jim Clark for Lotus. A further non-championship event took place at Imola in 1979, which was won by Niki Lauda for Brabham-Alfa Romeo. In 1980, the Italian Grand Prix moved from the high-speed Monza circuit to Imola (later known as Autodromo Dino Ferrari), as a direct result of 1978's startline pile-up, which claimed the life of the popular Swedish driver Ronnie Peterson. It was won by Nelson Piquet for Brabham-Ford. The following year, the Italian Grand Prix returned to