She is the current South Korean record holder in the women's long track speed skating 3000 and 5000 metres.

At the end of April 2010, however, Kim turned to long track speed skating after being inspired by compatriot Lee Seung-hoon, who had similarly switched formats and medalled at the 2010 Winter Olympics.

[4] At the 2013 World Single Distance Speed Skating Championships, Kim won bronze in the women's team pursuit with Noh Seon-yeong and Park Do-yeong.

[14] She tore her anterior cruciate ligament during the women's 5000 metres event, which limited her appearances for the rest of the season.

[26] Kim again represented South Korea in the women's mass start in the 2022 Olympics, finishing 5th in the final.