Ramba uchinyora ndima iyi - Pamakwikwi eOlympic eZhizha a2000 muSydney, Kim akasarudza kuedza kumhanya zvakasununguka, achikwikwidza mumakwikwi maviri chete ekushambira. Akanyora FINA B-mazinga e22.99 (50 m freestyle) uye 51.14 (100 m freestyle) kubva kuDong-A Swimming Tournament muUlsan. Mumakwikwi emamita 100 akasununguka
, Kim akaiswa pachinzvimbo chemakumi maviri nechina mumatangiro emangwanani. Achishambira mumakwikwi matanhatu, akawana nzvimbo yechipiri ne0.21 yechipiri kumashure kwemukundi Peter Mankoč weSlovenia muhupenyu hwakanaka hwe50.49. Mazuva maviri gare gare, mumakwikwi emamita 50 akasununguka, Kim akakundikana kuenda kuma semifinals nemasekonzi 0.02, achigumisa nekubatana neChinese Jiang Chengji muSouth Korea rekodhi yemasekondi 22.82.