| Roles | Competed in Olympic Games |
|---|---|
| Sex | Female |
| Full name | Gu•Seong-Eun |
| Used name | Gu•Seong-Eun |
| Name order | Oriental |
| Original name | 구•성은 |
| Other names | Gu Sun-Geun |
| Born | 19 August 1984 |
| Measurements | 166 cm / 55 kg |
| NOC |  Republic of Korea |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2008 Summer Olympics | Cycling Road (Cycling) | KOR |
Gu Seong-Eun | |||
| Road Race, Women (Olympic) | 58 |
