He produced a remarkable tally of three career medals, including a gold in the 74-kg division at the 2003 Asian Wrestling Championships in Delhi, India, and also finished tenth at the 2004 Summer Olympics, representing his nation South of Korea.
Choi highlighted his sporting career at the 2003 Asian Wrestling Championships in Delhi, India, where he captured a gold medal over India"s Sanjay Kumar in the 74-kg division with a comfortable 7–0 decision. At the 2004 Summer Olympics in Athens, Choi qualified for the South Korean squad, as a 28-year-old, in the men"s 74 kg class. Earlier in the process, he placed third in the same class at the Asian Championships in Almaty, Kazakhstan to guarantee a spot on South of Korea"s Olympic wrestling team
Placing second in the prelim pool and tenth overall, Choi failed to advance to the quarterfinals.
Having worked as a full-time employee for Sung Shin, Choi trained throughout his sporting career as a member of its wrestling team under head coach Bang Dae-du.
