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
New Zealand Grand Prix most notably when it was a part of the Tasman Series. In this era, several contemporary Formula One drivers would compete in the race, often with great success. Six Formula One World Drivers' Champions have won the New Zealand Grand Prix, including three-time champions Sir Jack Brabham and Sir Jackie Stewart. In the years following the demise of the Tasman Series, Formula One drivers did not regularly compete in extra-curricular races, and as such the New Zealand Grand Prix lost many of its big-name entrants. It was run for smaller local or continental formulae in the 1990s and 2000s such