Pyon made her international debut at the 2017 Asian Championships in Bangkok, where she helped the North Korean team win the silver medal behind China.[1] In the vault final, she won a bronze medal behind Liu Jinru and teammate Kim Su-jong.[2] Additionally, she finished fourth in the balance beam final and placed fifth in the all-around.[3]
At the 2018 Doha World Cup, Pyon won a silver medal on the vault behind Uzbekistan's Oksana Chusovitina.[4] She also competed on the uneven bars but did not advance into the final.[5] She then represented North Korea at the 2018 Asian Games in Jakarta and competed on the vault and floor exercise in the team final to help North Korea win the silver medal.[6] She advanced to the vault final and won the bronze medal, behind Yeo Seo-jeong and Chusovitina.[7] Additionally, she advanced to the balance beam final, where she finished sixth.[8] She competed in the all-around with the North Korean team that placed 16th in the qualifications at the 2018 World Championships in Doha.[9] Individually, she advanced to the vault final in sixth place. In the final, she finished eighth after attempting an Amanar and falling.[10]
Pyon competed on the vault at the 2019 Doha World Cup but finished 23rd in the qualifications and did not advance into the final.[11] This was the final competition of her international career.[12]
North Korea
