Tadahiro Kosaka
Japanese racewalker
Tadahiro Kosaka (Japanese: 小坂 忠広; born February 10, 1960, in Wakayama) is a retired Japanese male race walker. He competed for Japan at three consecutive Summer Olympics: 1988, 1992, and 1996.
International competitions
| Year | Competition | Venue | Position | Event | Notes |
|---|---|---|---|---|---|
| 1988 | Olympic Games | Seoul, South Korea | 47th | 20 km | |
| 31st | 50 km | ||||
| 1990 | Asian Games | Beijing, China | 3rd | 50 km | |
| 1991 | World Championships | Tokyo, Japan | 13th | 50 km | |
| 1992 | Olympic Games | Barcelona, Spain | 24th | 50 km | |
| 1994 | Asian Games | Hiroshima, Japan | 3rd | 50 km | |
| 1996 | Olympic Games | Atlanta, United States | 29th | 50 km |
References
- Tadahiro Kosaka at World Athletics
- sports-reference
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Japan Championships in Athletics men's 20 kilometres race walk champions
- 1955: Kazusaburo Chiyo
- 1956: Shoichi Sasaki
- 1957: Kasaburo Chiyo
- 1958: Chiyo Kazusaburo
- 1959: Yuzo Takahashi
- 1960: Shoichi Sasaki
- 1961: Kazusaburo Chiyo
- 1962: Kiue Kuribayashi
- 1963: Abdon Pamich (ITA)
- 1964: Tadamasa Ejiri
- 1965–66: Kazuo Saito
- 1967: Kimura Iwakura
- 1968: Teruhiko Asano
- 1969–71: Kanie Osamu
- 1972: Kazuo Saito
- 1973–74: Yoshio Morikawa
- 1975: Kiyoshi Watanabe
- 1976: Masaharu Kurihara
- 1977: Hiroyuki Nakamura
- 1978: Yoshihiro Iizuka
- 1979: Osamu Kanie
- 1980: Nobuyuki Kagoshima
- 1981: Kazuo Shirai
- 1982: Tadahiro Kosaka
- 1983: Yoshihiro Oya
- 1984: Tadahiro Kosaka
- 1985: Yoshiyuki Kurata
- 1986: Takehiro Sonohara
- 1987: Tadahiro Kosaka
- 1988: Atsumi Tagami
- 1989: Hirofumi Sakai
- 1990: Fumio Imamura
- 1991: Alberto Cruz (MEX)
- 1992: Hirofumi Sakai
- 1993–95: Satoshi Yanagisawa
- 1996–98: Daisuke Ikeshima
- 1999–2000: Satoshi Yanagisawa
- 2001: Yuki Yamazaki
- 2002: Toshito Fujinohara
- 2003–04: Kouyuki Tanii
- 2005–06: Kōichirō Morioka
- 2007: Yuki Yamazaki
- 2008–09: Kōichirō Morioka
- 2010: Yusuke Suzuki
- 2011: Isamu Fujisawa
- 2012–13: Yusuke Suzuki
- 2014-18: Eiki Takahashi
- 2019-20: Toshikazu Yamanishi
- 2021: Eiki Takahashi
- 2022: Koki Ikeda
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