1977 Rothmans 500

The 1977 Rothmans 500 was an endurance race for Group C Touring Cars. The event was staged at the Oran Park Raceway in New South Wales on 12 June 1977 over 222 laps of the "Grand Prix" circuit, totalling 582 km. Competing cars were divided into the following three classes based on engine capacity:
 * Class A: Over 3000 cc
 * Class B: 2001–3000 cc
 * Class C: Up to 2000 cc

This was the first of two "Rothmans 500" events held at Oran Park, the second and final race being the 1978 Rothmans 500.