| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Masato•Hirano | |
| Used name | Masato•Hirano | |
| Original name | 平野•雅人 | |
| Born | 11 June 1975 in ?, Kanagawa |  JPN |
| Measurements | 174 cm / 67 kg | |
| Affiliations | Nihon University (JPN) / Central Yokohama (JPN) | |
| NOC | Japan | JPN |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1996 Summer Olympics | Swimming (Aquatics) | JPN |
Masato Hirano | |||
| 1,500 metres Freestyle, Men (Olympic) | 6 | |||||
| 2000 Summer Olympics | Swimming (Aquatics) | JPN |
Masato Hirano | |||
| 400 metres Freestyle, Men (Olympic) | 11 | |||||
| 1,500 metres Freestyle, Men (Olympic) | 13 |
