In 2010, Kim was selected for the South Korean national short track speed skating team to compete in the 2010-11 ISU Short Track Speed Skating World Cup series, where he won gold in the 1500 metres at the fourth race in Shanghai[1] and had two podium finishes as part of the relay team.

He captured silver in the team pursuit race at the 2013 World Single Distance Championships, alongside 2010 Olympic champion Lee Seung-hoon and Joo Hyong-jun.

At the 2014 Winter Olympics in Sochi, Russia, Kim first competed on February 8, 2014 in the 5000 metres.

[3] The South Korean pursuit team for the 2014 Olympics consisted of Kim, Lee Seung-hoon and Joo Hyong-jun.

[4] South Korea eliminated Russia in the quarterfinal, which advanced them to face reigning Olympic Champion Canada in the semifinal.