| Roles | Competed in Youth Olympic Games |
|---|---|
| Sex | Male |
| Full name | Byeon•Seong-Won |
| Used name | Byeon•Seong-Won |
| Name order | Oriental |
| Original name | 변•성원 |
| Born | 6 March 2002 |
| NOC | Republic of Korea |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2018 Summer Youth Olympics | Artistic Gymnastics (Gymnastics) | KOR |
Byeon Seong-Won | |||
| Individual All-Around, Boys (YOG) | 32 | |||||
| Floor Exercise, Boys (YOG) | 15 | |||||
| Vault, Boys (YOG) | 25 | |||||
| Parallel Bars, Boys (YOG) | 27 | |||||
| Horizontal Bar, Boys (YOG) | 26 | |||||
| Rings, Boys (YOG) | 30 | |||||
| Pommelled Horse, Boys (YOG) | 33 | |||||
| Mixed Sports | KOR |
Byeon Seong-Won | ||||
| Multidiscipline Gymnastics, Team, Mixed Youth (YOG) | Team Yevgeny Marchenko (Brown) | 10 |