| Roles | Competed in Olympic Games |
|---|---|
| Sex | Female |
| Full name | Shiori•Koseki |
| Used name | Shiori•Koseki |
| Original name | 小関•しお |
| Born | 30 June 1972 in ?, Toyama (JPN) |
| Measurements | 163 cm / 60 kg |
| Affiliations | Hitachi, Gumma |
| NOC | Japan |
| Medals | OG |
| Gold | 0 |
| Silver | 1 |
| Bronze | 0 |
| Total | 1 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2000 Summer Olympics | Softball (Baseball/Softball) | JPN |
Shiori Koseki | |||
| Softball, Women (Olympic) | Japan | 2 | Silver |