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
1980 Dutch Grand Prix 1980 Dutch Grand Prix The 1980 Dutch Grand Prix was a Formula One motor race held on 31 August 1980 at the Circuit Zandvoort in the Netherlands. It was the eleventh race of the 1980 Formula One season. The race was the 29th Dutch Grand Prix. The race was held over 72 laps of the 4.252-kilometre circuit for a total race distance of 306 kilometres. The race was won by Brazilian driver, Nelson Piquet driving a Brabham BT49. The win was Piquet's second Formula One Grand Prix victory having taken his first win earlier the same year at the 1980