 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 Prix uye akaenderera mberi nekukunda mamwe makwikwi mana achienda kunhangemutange yake yechipiri yenyika. Clark akakundikana muMonaco Grand Prixmujaho waakanga asingazombokundi kumhanya muIndianapolis 500, iyo akakunda. 