Mezue ahịrịokwu na-esonụ: Tochenaya so sọọ mpi n'asọmpi igwu mmiri atọ n'egwuregwu Olimpik Ọkọchị nke 2000 na Sydney. O nwetara FINA A-ụkpụrụ nke 27.16 (50 m freestyle) na 58.83 (100 m freestyle) site na Russian Open Championship na Saint Petersburg. N'ụbọchị nke ise nke Egwuregwu ahụ, Tochenaya gbara ọsọ abụọ n'usoro ihe omume ya, na-enwe nanị minit 90 n'agbata ha. Nke mbụ, o tinyere iri anọ na atọ na 100 m freestyle. Na-egwu mmiri na okpomọkụ nke abụọ, ọ si n'azụ ìgwè ahụ jiri igwu mmiri dị egwu were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were were Mgbe ihe karịrị otu elekere gachara, Tochenaya, yana Nataliya Korabelnikova, Anna Korshikova, na Anjelika Solovieva, tinyere nke iri na anọ na 4 × 200 m freestyle relay (8: 41.21). Ụbọchị abụọ mgbe e mesịrị, na
50 m freestyle, Tochenaya keere mkpụrụ iri anọ na otu na South Korea's Chang Hee-Jin na prelims ụtụtụ. O wepụtara oge dị mma na oge kachasị mma nke 26.88 iji kpoo ubi ahụ na njedebe na-eduga na okpomọkụ anọ.