| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Kazuto•Seki |
| Used name | Kazuto•Seki |
| Original name | 関•一人 |
| Born | 11 September 1975 in ?, Shizuoka (JPN) |
| Measurements | 167 cm / 58 kg |
| NOC | Japan |
| Medals | OG |
| Gold | 0 |
| Silver | 0 |
| Bronze | 1 |
| Total | 1 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2004 Summer Olympics | Sailing | JPN |
Kazuto Seki | |||
| Two Person Dinghy, Men (Olympic) | Kenjiro Todoroki | 3 | Bronze |