| 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 |  KOR |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2008 Summer Olympics | Cycling Road (Cycling) | KOR |
Gu Seong-Eun | |||
| Road Race, Women (Olympic) | 58 |
