| Kazuhiko Yamazaki | |
| Nationality: | Japanese |
| Birth Place: | Yono, Saitama, Japan |
| Alma Mater: | Juntendo University |
| Height: | 1.74m (05.71feet)[1] |
| Weight: | 68kg (150lb) |
| Country: | Japan |
| Sport: | Track and field |
| Event: | 400 metres hurdles |
| Retired: | 2001 |
| Pb: | 48.26 (Osaka 1999) |
is a Japanese former athlete who specialised in the 400 metres hurdles. He competed in the 1992 Summer Olympics, in the 1996 Summer Olympics, and in the 2000 Summer Olympics. He also competed in the 1991 World Championships, in the 1995 World Championships, in the 1997 World Championships, and in the 1999 World Championships. He was a finalist at the 1995 World Championships and the first Japanese to reach the 400 metres hurdles final at the World Championships.[2] He was the former Asian record holder in the 400 metres hurdles and a two-time Japanese Championships champion.[3]
| Representing | ||||||
|---|---|---|---|---|---|---|
| 1990 | Asian Junior Championships | Beijing, China | bgcolor=silver | 2nd | 400 m hurdles | 52.35 |
| bgcolor=gold | 1st | 4 × 400 m relay | 3:12.47 | |||
| World Junior Championships | Plovdiv, Bulgaria | 8th | 400 m hurdles | 51.42 | ||
| 7th | 4 × 400 m relay | 3:07.58 | ||||
| 1991 | Universiade | Sheffield, United Kingdom | 6th | 400 m hurdles | 50.53 | |
| 4th | 4 × 400 m relay | 3:07.82 | ||||
| World Championships | Tokyo, Japan | 21st (h) | 400 m hurdles | 49.97 | ||
| 1992 | Olympic Games | Barcelona, Spain | 29th (h) | 400 m hurdles | 50.30 | |
| World Cup | Havana, Cuba | 8th | 110 m hurdles | 14.83 | ||
| 4th | 400 m hurdles | 50.13 | ||||
| 1993 | Universiade | Buffalo, United States | 5th | 400 m hurdles | 50.34 | |
| 1994 | World Cup | London, United Kingdom | 5th | 400 m hurdles | 50.22[4] | |
| 1995 | World Championships | Gothenburg, Sweden | 7th | 400 m hurdles | 49.22 | |
| 8th (h) | 4 × 400 m relay | 3:01.46 | ||||
| Universiade | Fukuoka, Japan | bgcolor=gold | 1st | 400 m hurdles | 48.58 | |
| 4th | 4 × 400 m relay | 3:02.51 | ||||
| 1996 | Olympic Games | Atlanta, United States | 15th (h) | 400 m hurdles | 49.07 | |
| 1997 | East Asian Games | Busan, South Korea | bgcolor=gold | 1st | 400 m hurdles | 49.60 |
| World Championships | Athens, Greece | 20th (h) | 400 m hurdles | 49.471 | ||
| 1998 | Asian Championships | Fukuoka, Japan | 3rd | 400 m hurdles | 49.81 | |
| 1999 | World Championships | Seville, Spain | 14th (sf) | 400 m hurdles | 49.46 | |
| 10th (h) | 4 × 400 m relay | 3:02.50 | ||||
| 2000 | Olympic Games | Sydney, Australia | 22nd (h) | 400 m hurdles | 50.15 | |