He won a gold medal in the lightweight (65 kg) division at the 1997 World Judo Championships in Paris.
In 1994, Kim won five international competitions including Paris Open (Tournoi de Paris), the Asian Games in Hiroshima, Japan and the Goodwill Games in St.
Petersburg, Russia.
Kim Hyuk is currently the assistant coach of the South Korean women's judo team for the 2008 Summer Olympics.