Mezue ahịrịokwu na-esonụ: Ọ nọchitere anya Great Britain n'egwuregwu Olimpik nakwa n'asọmpi ndị a na-eme na Yurop. Clarke ritere ọlaọcha n'asọmpi 4 × 100 m freestyle relay na
1962 European Aquatics Championships. O mechara bụrụ onye nke asaa n'otu egwuregwu ahụ n'egwuregwu Olimpik nke 1960.