Rubuta ci gaba don wannan sakin layi - Neviarouski ya fara gasar Olympics a wasannin Olympics na 2004 a Athens, yana fafatawa a wasanni biyu na iyo. A tseren mita 100 na 'yanci
, ya kalubalanci wasu 'yan wasa bakwai a zagayen na biyar, gami da Lithuania Rolandas Gimbutis, memba na kungiyar masu iyo na California Golden Bears. Ya shawo kan Aristeidis Grigoriadis na Girka don ɗaukar matsayi na uku ta kashi huɗu (0.25), tare da lokacin da ya kai dakika 50.36. Kwana biyu bayan haka, Neviarouski ya zama na biyu a bayan Krisztián Takács na Hungary, a zagaye na shida na maza 50 m freestyle da kashi ɗaya cikin ɗari na biyu (0.01), yana da sa'o'i 23.13.