Hunt first learned to drive on a tractor on a farm in Pembrokeshire, Wales while on a family holiday, with instruction from the farm's owner, but he found changing gears frustrating because he lacked the required strength.
Hunt also took up skiing in 1965 in Scotland and made plans for further ski trips.
Hunt won several races and achieved regular high placed finishes which led to the British Guild of Motoring Writers awarding him a Grovewood Award as one of the three drivers to have promising careers.
Hunt was involved in a controversial incident with Dave Morgan during a battle for second position in the Formula Three Daily Express Trophy race at Crystal Palace on 3 October 1970.
Beginning his racing career in touring car racing, Hunt progressed into Formula Three where he attracted the attention of the Hesketh Racing team and was soon taken under their wing.