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
The Motor Cycle Classic Motor Cycle and other projects under IPC magazines. The two publications continued as one in the newspaper format, initially under the name "Motor Cycle Incorporating Motor Cycling" under Motor Cycle publishers Iliffe Specialist Publications Ltd. Stalwart 'Motor Cycle' staffman David Dixon (1933–2013) – a specialist road-race and road-test reporter and successful endurance racer – continued-on with the merged staff from 1967 bút left by 1971 to establish a road-race school – "Dixon Robb Racing" – in conjunction with successful 1950s and 1960s racer Tommy Robb. By 1973 Dixon had established his own retail concern – "Dixon Racing" – with