Rubuta ci gaba don wannan sakin layi - Tagliaferri ta lashe gasar zakarun Italiya sau biyu a cikin mita 100 a 1948 da 1949, kuma tana da shekaru 19 lokacin da ta fara gasar wasannin Olympics a 1948 a London. A can ta lashe zagaye na farko a cikin mita 100
a lokacin 12.8 seconds, amma a cikin wasan kusa da na karshe Tagliaferri ya zana a cikin wannan zafin kamar Fanny Blankers-Koen da Shirley Strickland kuma zai iya gamawa a matsayi na biyar, don haka ya kasa cancanci zuwa wasan karshe. Tare da abokan wasan Mirella Avalle, Anna Maria Cantù da Marcella Jeandeau, Tagliaferri suma sun yi takara a tseren mita 4 x 100, amma ba su gama tseren ba don haka ba su ci gaba zuwa wasan karshe ba.