Dee ihe na-aga n'ihu maka paragraf a - Afọ anọ ka ọ gachara asọmpi Olimpik mbụ ya, Advena ruru eru maka ndị otu Ukraine nke abụọ ya, dịka onye dị afọ 24, na 2008 Summer Olympics na Beijing. Ọ gbara onye nke isii na 200 m butterfly na European Championships
na Eindhoven, Netherlands, na-ekpochapụ oge ntinye nke FINA A nke 1: 57.04. N'ụbọchị nke abụọ nke egwuregwu ahụ, Advena gbara ndị ọzọ na-egwu mmiri asaa na okpomọkụ ise nke 200 m freestyle, gụnyere Darian Townsend nke South Africa na Nimrod Shapira Bar-Or nke Israel. Ọ gara n'ọkwa nke atọ site na otu ụzọ n'ụzọ iri site na Townsend na oge ndekọ Ukraine nke 1:48.18, mana ọ tụfuru ọkara ikpeazụ site na ụkọ nke 0.37 nke abụọ, ebe ọ nọ na nke iri abụọ na atọ n'ozuzu na preliminaries. Na 200 m butterfly, Advena dere oge nke 1: 56.24 iji nweta mkpụrụ nke iri na anọ na prelims ụtụtụ. Mgbe ahụ, ọ kwughachiri ihe ọ rụzuru na Atens na oge nke iri na ise nke 1: 56.64 na ọkara ikpeazu.