Personal Bests: 20kmW – 1-20:38 (2003); 50kmW – 3-40:12 (2009).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2004 Summer Olympics | Athletics |  JPN |
Yuki Yamazaki | |||
| 20 kilometres Race Walk, Men (Olympic) | ||||||
| 50 kilometres Race Walk, Men (Olympic) | 16 | |||||
| 2008 Summer Olympics | Athletics | JPN |
Yuki Yamazaki | |||
| 20 kilometres Race Walk, Men (Olympic) | 11 | |||||
| 50 kilometres Race Walk, Men (Olympic) | 7 | |||||
| 2012 Summer Olympics | Athletics | JPN |
Yuki Yamazaki | |||
| 50 kilometres Race Walk, Men (Olympic) |
