Career
Kim made her official debut for the 2004 Summer Olympics in Athens, where she competed for the women"s middleweight class (63 kg). She finished only in fifth place by 2.5 kilograms short of her snatch record from Tunisia"s Hayet Sassi, with a total of 215.0 kg (925 in the snatch, and 1225 in the clean and jerk). At the 2008 Summer Olympics in Beijing, Kim qualified for the second time in the women"s 63 kg class, after finishing sixth from the 2007 World Weightlifting Championships in Chiang Mai, Thailand.
Kim placed sixth in this event, as she successfully lifted 98 kg in the single-motion snatch, and hoisted 127 kg in the two-part, shoulder-to-overhead clean and jerk, for a total of 225 kg.