| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Yoshiharu•Tomonaga | |
| Used name | Yoshiharu•Tomonaga | |
| Original name | 友永•義治 | |
| Born | 18 February 1950 in Shobara, Hiroshima |  JPN |
| Measurements | 178 cm / 70 kg | |
| NOC | Japan | JPN |
Personal Best: 400 – 46.69 (1970).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1972 Summer Olympics | Athletics | JPN |
Yoshiharu Tomonaga | |||
| 400 metres, Men (Olympic) | 6 h4 r2/4 |
