Endurance racing (motorsport) these classes continued to embrace the endurance format. Multiple drivers per car was an early adaptation as the rigors of endurance racing quickly overcome the abilities of most racing drivers to compete solo, although solo attempts on 24 hour races like Le Mans would continue into the 1950s. The various endurance formats were appealing to manufacturers, not only as alternatives to the expense of Grand Prix racing, but also because of its increased relevance to road going models. In automobile endurance racing, three events have come to form a Triple Crown. They are considered three of the most challenging endurance
1991 Australian Endurance Championship 1991 Australian Endurance Championship The 1991 Australian Endurance Championship was a CAMS sanctioned Australian motor racing title open to Group 3A Touring Cars. The championship, which was the eighth running of the Australian Endurance Championship, began on 8 September 1991 at Sandown Raceway and ended on 6 October at the Mount Panorama Circuit after two rounds. The title was won by Mark Gibbs and Rohan Onslow who shared a Bob Forbes Racing Nissan Skyline GT-R. The 1991 Australian Manufacturers' Championship, which was run concurrently with the Endurance Championship, was awarded to the Nissan Motor Co (Australia). The following teams and