Prior to the start of the European legs of the Formula One World Championship, Regazzoni won the prestigious Race of Champions at Brands Hatch, beating Jackie Stewart into second place.
Antes do comezo das probas europeas do Campionato do Mundo de Fórmula Un, Regazzoni gañou a prestixiosa Carreira de Campións en Brands Hatch, batendo a Jackie Stewart no segundo lugar.