Mezue nkebi ahịrịokwu a: N'egwuregwu Olimpik nke afọ 2000 e mere na Sydney, Kim kpebiri ịgba ọsọ ọsọ ọsọ, na-asọ mpi naanị n'asọmpi igwu mmiri abụọ. O depụtara ụkpụrụ FINA B nke 22.99 (50 m freestyle) na 51.14 (100 m freestyle) site na Dong-A Swimming Tournament na Ulsan. N'ime
Na 100 m freestyle, Kim gbara onye nke iri abụọ na anọ n'ụtụtụ ụtụtụ. Na-egwu mmiri na okpomọkụ isii, o buliri ebe nke abụọ site na 0.21 nke abụọ n'azụ onye mmeri Peter Mankoč nke Slovenia na oge kachasị mma nke 50.49. Mgbe ụbọchị abụọ gachara, n'asọmpi 50 m freestyle, Kim agafeghị ọkara-ikpeazụ site na obere nkeji nke 0.02 sekọnd, na-emecha tie na China Jiang Chengji na ndekọ South Korea nke 22.82.