Mezue ahịrịokwu na-esonụ: Mgbe Shivas gụsịrị akwụkwọ na 1951, ọ kwagara London ịrụ ọrụ n'ụlọ ọgwụ Hammersmith ma ọ nọgidere na-agba ọsọ site n'ịbanye na Spartan Ladies Athletics Club. N'afọ sochirinụ, a họpụtara ya ịsọ mpi n'asọmpi nke afọ a.
100 mita na 1952 Summer Olympics nke e mere na Helsinki, Finland, ebe ọ gbara ọsọ oge nke 12.5 sekọnd ma mechie nke atọ na okpomọkụ ya n'azụ Shirley Strickland na Vera Krepkina mana ọ kwadoghị maka agba ọzọ. Mgbe o mezuru nrọ ya na Olimpik, ọ lara ezumike nká n'egwuregwu.