At age twenty she finished the Daegu Marathon in tenth place with a time of 2:48:57 hours.
Later that year she was runner-up in the event at the Korean National Sports Festival.
In the 2014 season she set a half marathon best of 77:13 minutes to finish runner-up in Incheon.
She ran two marathons within the space of a week in November, placing sixth at the National Games then winning her first major race, with 2:37:47 hours to top the podium at the JoongAng Seoul Marathon.
[3] A best of 2:36:14 hours came at the 2015 Seoul International Marathon, though she was eleventh overall in the higher calibre field.