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
Killarney Motor Racing Complex Killarney Motor Racing Complex Killarney Motor Racing Complex is a motor racing complex in Cape Town, South Africa. It first saw action in 1947. In 1959/60 the track was upgraded and rebuilt to conform to the required FIA standard for the 1500 cc Formula One cars of the time. The design was entrusted to Edgar Hoal, a leading racing driver and roads engineer, who also supervised its construction. The Western Cape then had its first taste of international Formula One racing when the non-championship Cape Grand Prix was held at Killarney on 1 January 1960, and was won by Stirling