| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Keizo•Hasegawa |
| Used name | Keizo•Hasegawa |
| Original name | 長谷川•敬三 |
| Born | 17 July 1922 |
| Died | 6 May 1999 in Yoto, Hamgyong (PRK) |
| Measurements | 178 cm / 70 kg |
| Affiliations | Waseda University, Tokyo (JPN) |
| NOC | Japan |
Personal Best: TJ – 15.62 (1948).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1952 Summer Olympics | Athletics | JPN |
Keizo Hasegawa | |||
| Triple Jump, Men (Olympic) | 20 r1/2 |