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
Aintree Motor Racing Circuit brought rallying back to Aintree Circuit revitalising the circuits use with new and innovative ideas. A limited amount of motor sport continues today in the form of car sprints, track days and motorcycle racing on the Club Circuit. The Motorcycle events are organised by Aintree Motor Cycle Racing Club, who run six events at Aintree each year. The Car events are organised by Liverpool Motor Club in the form of three sprints, in April, June and September and two track days in May and October on the club circuit. Nick Algar, the 2010 British Sprint Champion, set a new course