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
Phillip Island Grand Prix Circuit Litre V6 powered Formula Holdens which were approximately 10 seconds per lap slower. "The Official 50 Race History of the Australian Grand Prix" Phillip Island Grand Prix Circuit The Phillip Island Grand Prix Circuit is a motor racing circuit located near Ventnor, on Phillip Island, Victoria, Australia. The current circuit was first used in 1956. Motor racing on Phillip Island began in 1928 with the running of the 100 Miles Road Race, an event which has since become known as the first Australian Grand Prix. It utilised a high speed rectangle of local closed-off public roads with four similar right