In 1960 Parkes drove a Lotus Elite for Sir Gawaine Baillie before moving to Tommy Sopwith's Equipe Endeavour in 1961, where he drove in sportscars and Formula Junior.
En 1960 Parkes pilotou un Lotus Elite para Sir Gawaine Baillie antes de moverse ao Equipo Endeavour de Tommy Sopwith en 1961, onde conducía en automóbiles deportivos e Formula Junior.