Rubuta ci gaba don wannan sakin layi - De Silva ya cancanci yin wasan mata na mita 50 na 'yanci
a Wasannin Olympics na 2004 a Athens, ta hanyar karɓar wurin Universality daga FINA, a cikin lokacin shigarwa na 28.48. Ta kalubalanci wasu masu iyo bakwai a zagaye na huɗu, gami da Melanie Slowing mai shekaru 31 daga Guatemala. Ta yi tsere zuwa matsayi na bakwai ta kashi biyu na goma na biyu a bayan Geraldine Arce na Nicaragua a cikin 28.93. De Silva ta kasa ci gaba zuwa wasan kusa da na karshe, yayin da ta sanya ta hamsin da biyu a cikin 'yan wasa 75 a ranar karshe na farko.