High Quality Content by WIKIPEDIA articles! The 1975 Sandown 250 was an endurance race for Group C Touring Cars. The event was held at the Sandown circuit in Victoria, Australia on 14 September 1975. Race distance was 130 laps of the 3.11 km circuit, totalling 403.8 km (250.9 mi) The field was divided into four classes according to engine displacement: