 Nyorai kupfuurira kweiyi ndima - Yakatangwa nokuda kwemwaka wa 1964, 33 yakaita kuoneka kwayo kwokutanga paAintree 200 isiri-Championship. Clark akakwanisa kuva wechina, uye akaronga kutenderera kwakakurumidza asati arega. Mutambo wokutanga weWorld Championship wa33 wakanga uri muGermany Grand Prix. Zvisinei, vose vari vaviri Clark uye shamwari yake yechikwata Mike Spence vakatambura nemotokari uye yakanga isati yasvika gore rakatevera kuti yakauya zvakanaka. Clark akakunda mujaho wokutanga wa1965, South African Grand Prixuye akapfuurira kutora mamwe makwikwi mana ari munzira yokuva shasha yake yechipiri yenyika. Clark akarasikirwa neMonaco Grand Prix mujaho waasina kuzombokunda kuti amhanye muIndianapolis 500, iyo yaakakunda. 