Kosei Yamaguchi
Biographical information
| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Kosei•Yamaguchi |
| Used name | Kosei•Yamaguchi |
| Original name | 山口•浩勢 |
| Born | 19 August 1991 |
| Affiliations | Aisan Industry (JPN) |
| NOC |  Japan |
Results
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2020 Summer Olympics | Athletics | JPN |
Kosei Yamaguchi | |||
| 3,000 metres Steeplechase, Men (Olympic) | 12 h3 r1/2 |