| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Yasunari•Hirai |
| Used name | Yasunari•Hirai |
| Original name | 平井•康翔 |
| Born | 2 April 1990 in Abiko, Chiba (JPN) |
| Measurements | 175 cm / 75 kg |
| Affiliations | Meiji University/Hakuyo Swimmers, Japan |
| NOC |  Japan |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2012 Summer Olympics | Marathon Swimming (Aquatics) | JPN |
Yasunari Hirai | |||
| 10 kilometres, Men (Olympic) | 15 | |||||
| 2016 Summer Olympics | Marathon Swimming (Aquatics) | JPN |
Yasunari Hirai | |||
| 10 kilometres, Men (Olympic) | 8 |
