Mezue ahịrịokwu na-esonụ: Parkes buru ụzọ banye na World Championship Grand Prix na
Aintree na 1959 na-anya ụgbọ ala Formula 2 (F2) Fry-Climax 1.5-liter Straight-4. Otú ọ dị, ọ kwadoghị ma laghachi na egwuregwu egwuregwu mgbe nke ahụ gasịrị, ma e wezụga otu njem na Mallory Park na 1962 na Bowmaker Cooper. N'ịgbaso ihe ịga nke ọma ya na Ferrari sportscars, Parkes sonyeere Ferrari n'ihu ọha, na 1963 dị ka mmepe na onye ọkwọ ụgbọ ala, na n'oge oge ndị na-esote ghọrọ onye a ma ama dị ka onye ọkwọ ụgbọ ala egwuregwu. Mgbe John Surtees hapụrụ Ferrari na mberede na 1966, a kwalitere Parkes na ndị otu Grand Prix ma jiri chassis gbasaa iji nabata ịdị elu ya nke ụkwụ isii na sentimita anọ, nwere ihe ịga nke ọma ozugbo, na-agwụ na nke abụọ na 1966 French Grand Prix na Reims. Jack Brabham meriri n'ọsọ ahụ na onye otu ya, Denny Hulme, nke atọ, na Brabham <unk>Repcos ha. Agbanyeghị nke a sochiri ezumike nka abụọ tupu ebe nke abụọ ọzọ na Monza ebe ọ nwetakwara ọfụma. Parkes meriri asọmpi mba ụwa nke Formula One na Silverstone site na otu ụzọ n'ụzọ atọ nke okirikiri karịa Brabham na Eprel 1967. Ọsọ okirikiri 52 bụ asọmpi Formula One mbụ maka Parkes na obodo ya. Ọ gbara ọsọ ahụ dị kilomita 152.36 n'oge 1:19:39.25 na nkezi ọsọ nke 114.65 m.p.h.