Most of the cars entered that year were sports cars, and they included a large number of Lotus 11s, the definitive Coventry Climax-powered sports racer, led by the Team Lotus entries for Chapman, driven by Cliff Allison and Reg Bicknell.
A maioría dos coches que participaron ese ano eran coches deportivos, incluíndo un gran número de Lotus 11, con motor Coventry Climax, liderados polo equipo Lotus de Chapman e pilotados por Cliff Allison e Reg Bicknell.