Subject Analysis
Japan
Career
1932 – 2025
Best year
2006
Total points
1018
Best results
2× 1. Olympic Games
All-time rank
#4
10-year rank
#8
Ranking Development
Points distribution
Disciplines
Contests
Categories
| Year | Contest | Discipline | Category | Position | Points | Name |
|---|---|---|---|---|---|---|
| 2025 | Asian Championship | 50m backstroke | Women | 3 | 2 | Misaki Kasahara |
| 2025 | Asian Championship | 100m backstroke | Women | 2 | 4 | Misaki Kasahara |
| 2025 | Asian Championship | 200m backstroke | Women | 1 | 7 | Misaki Kasahara |
| 2025 | Asian Championship | 200m backstroke | Men | 2 | 4 | Rui Yoshida |
| 2022 | Asian Games | 50m backstroke | Men | 3 | 2 | Ryosuke Irie |
| 2022 | Asian Games | 100m backstroke | Men | 2 | 4 | Ryosuke Irie |
| 2022 | Asian Games | 50m backstroke | Women | 3 | 2 | Miki Takahashi |
| 2022 | Asian Games | 200m backstroke | Men | 3 | 2 | Hidekazu Takehara |
| 2018 | Pan Pacific Championship | 200m backstroke | Men | 2 | 4 | Ryosuke Irie |
| 2018 | Asian Games | 50m backstroke | Women | 3 | 2 | Natsumi Sakai |
| 2018 | Asian Games | 200m backstroke | Men | 3 | 2 | Keita Sunama |
| 2018 | Asian Games | 100m backstroke | Women | 1 | 7 | Natsumi Sakai |
| 2018 | Asian Games | 50m backstroke | Men | 2 | 4 | Ryosuke Irie |
| 2018 | Pan Pacific Championship | 100m backstroke | Men | 2 | 4 | Ryosuke Irie |
| 2018 | Asian Games | 200m backstroke | Men | 2 | 4 | Ryosuke Irie |
| 2018 | Asian Games | 100m backstroke | Women | 2 | 4 | Anna Konishi |
| 2018 | Asian Games | 200m backstroke | Women | 2 | 4 | Natsumi Sakai |
| 2018 | Asian Games | 100m backstroke | Men | 2 | 4 | Ryosuke Irie |
| 2017 | World Championship | 50m backstroke | Men | 2 | 6 | Junya Koga |
| 2016 | Asian Championship | 100m backstroke | Men | 3 | 2 | Takeshi Kawamoto |
| 2016 | Asian Championship | 50m backstroke | Men | 2 | 4 | Shunichi Nakao |
| 2016 | Asian Championship | 200m backstroke | Women | 3 | 2 | Rio Shirai |
| 2016 | Asian Championship | 100m backstroke | Women | 3 | 2 | Emi Moronuki |
| 2016 | Asian Championship | 50m backstroke | Women | 3 | 2 | Emi Moronuki |
| 2016 | World Championship 25m | 50m backstroke | Men | 1 | 4 | Junya Koga |
| 2016 | World Championship 25m | 200m backstroke | Men | 3 | 1 | Masaki Kaneko |
| 2016 | Asian Championship | 200m backstroke | Men | 3 | 2 | Keita Sunama |
| 2014 | Asian Games | 200m backstroke | Men | 1 | 7 | Ryosuke Irie |
| 2014 | Asian Games | 50m backstroke | Men | 1 | 7 | Junya Koga |
| 2014 | Asian Games | 100m backstroke | Men | 1 | 7 | Ryosuke Irie |
| 2014 | World Championship 25m | 100m backstroke | Men | 3 | 1 | Ryosuke Irie |
| 2014 | Pan Pacific Championship | 200m backstroke | Men | 2 | 4 | Ryosuke Irie |
| 2014 | Asian Games | 50m backstroke | Women | 3 | 2 | Miyuki Takemura |
| 2014 | Asian Games | 200m backstroke | Men | 3 | 2 | Kosuke Hagino |
| 2014 | Asian Games | 200m backstroke | Women | 1 | 7 | Sayaka Akase |
| 2014 | Pan Pacific Championship | 100m backstroke | Men | 1 | 7 | Ryosuke Irie |
| 2014 | Asian Games | 50m backstroke | Men | 2 | 4 | Ryosuke Irie |
| 2014 | World Championship 25m | 200m backstroke | Women | 3 | 1 | Sayaka Akase |
| 2014 | Asian Games | 100m backstroke | Men | 3 | 2 | Kosuke Hagino |
| 2013 | World Championship | 100m backstroke | Women | 3 | 3 | Aya Terakawa |
| 2013 | World Championship | 50m backstroke | Women | 3 | 3 | Aya Terakawa |
| 2012 | Asian Championship | 200m backstroke | Men | 3 | 2 | Keita Sunama |
| 2012 | Asian Championship | 50m backstroke | Men | 2 | 4 | Takeshi Kawamoto |
| 2012 | Asian Championship | 200m backstroke | Women | 3 | 2 | Marie Kamimura |
| 2012 | Asian Championship | 100m backstroke | Men | 2 | 4 | Takeshi Kawamoto |
| 2012 | Asian Championship | 100m backstroke | Women | 3 | 2 | Marie Kamimura |
| 2012 | Olympic Games | 200m backstroke | Men | 2 | 18 | Ryosuke Irie |
| 2012 | Olympic Games | 100m backstroke | Men | 3 | 6 | Ryosuke Irie |
| 2012 | Olympic Games | 100m backstroke | Women | 3 | 6 | Aya Terakawa |
| 2011 | World Championship | 50m backstroke | Women | 2 | 6 | Aya Terakawa |
| 2011 | World Championship | 100m backstroke | Men | 3 | 3 | Ryosuke Irie |
| 2011 | World Championship | 200m backstroke | Men | 2 | 6 | Ryosuke Irie |
| 2010 | Pan Pacific Championship | 100m backstroke | Men | 2 | 4 | Junya Koga |
| 2010 | Asian Games | 50m backstroke | Men | 2 | 4 | Ryosuke Irie |
| 2010 | Asian Games | 100m backstroke | Women | 2 | 4 | Shiho Sakai |
| 2010 | Pan Pacific Championship | 50m backstroke | Men | 1 | 7 | Junya Koga |
| 2010 | Asian Games | 200m backstroke | Women | 2 | 4 | Shiho Sakai |
| 2010 | Asian Games | 200m backstroke | Women | 3 | 2 | Aya Terakawa |
| 2010 | Asian Games | 100m backstroke | Men | 2 | 4 | Junya Koga |
| 2010 | Asian Games | 200m backstroke | Men | 1 | 7 | Ryosuke Irie |
| 2010 | Pan Pacific Championship | 100m backstroke | Women | 2 | 4 | Aya Terakawa |
| 2010 | Asian Games | 50m backstroke | Men | 1 | 7 | Junya Koga |
| 2010 | Asian Games | 100m backstroke | Men | 1 | 7 | Ryosuke Irie |
| 2010 | Pan Pacific Championship | 200m backstroke | Men | 3 | 2 | Ryosuke Irie |
| 2010 | Pan Pacific Championship | 50m backstroke | Women | 2 | 4 | Aya Terakawa |
| 2010 | Asian Games | 50m backstroke | Women | 2 | 4 | Aya Terakawa |
| 2009 | Asian Championship | 200m backstroke | Men | 1 | 7 | Takahiro Yamazaki |
| 2009 | Asian Championship | 200m backstroke | Women | 2 | 4 | Sayaka Akase |
| 2009 | World Championship | 200m backstroke | Men | 2 | 6 | Ryosuke Irie |
| 2009 | Asian Championship | 100m backstroke | Men | 3 | 2 | Takahiro Yamazaki |
| 2009 | Asian Championship | 200m backstroke | Men | 3 | 2 | Nobuhiro Toyada |
| 2009 | World Championship | 100m backstroke | Men | 1 | 10 | Junya Koga |
| 2009 | Asian Championship | 50m backstroke | Men | 2 | 4 | Kosuke Hagino |
| 2009 | World Championship | 50m backstroke | Men | 2 | 6 | Junya Koga |
| 2009 | Asian Championship | 200m backstroke | Women | 3 | 2 | Marie Kamimura |
| 2009 | Asian Championship | 100m backstroke | Men | 2 | 4 | Nobuhiro Toyada |
| 2009 | Asian Championship | 100m backstroke | Women | 3 | 2 | Mai Harada |
| 2009 | Asian Championship | 50m backstroke | Men | 1 | 7 | Nobuhiro Toyada |
| 2008 | Olympic Games | 200m backstroke | Women | 3 | 6 | Reiko Nakamura |
| 2007 | World Championship | 200m backstroke | Women | 3 | 3 | Reiko Nakamura |
| 2007 | World Championship | 100m backstroke | Women | 3 | 3 | Reiko Nakamura |
| 2006 | Asian Championship | 100m backstroke | Women | 3 | 2 | Masaki Oikawa |
| 2006 | Asian Games | 100m backstroke | Men | 3 | 2 | Masafumi Yamaguchi |
| 2006 | Asian Championship | 200m backstroke | Women | 2 | 4 | Toshie Abe |
| 2006 | Pan Pacific Championship | 200m backstroke | Women | 3 | 2 | Takami Igarashi |
| 2006 | Asian Games | 200m backstroke | Women | 3 | 2 | Takami Igarashi |
| 2006 | Asian Games | 200m backstroke | Men | 1 | 7 | Ryosuke Irie |
| 2006 | Pan Pacific Championship | 100m backstroke | Women | 3 | 2 | Reiko Nakamura |
| 2006 | Asian Games | 50m backstroke | Women | 3 | 2 | Reiko Nakamura |
| 2006 | Asian Games | 100m backstroke | Women | 1 | 7 | Reiko Nakamura |
| 2006 | Asian Championship | 100m backstroke | Women | 1 | 7 | Toshie Abe |
| 2006 | Pan Pacific Championship | 100m backstroke | Women | 1 | 7 | Hanae Ito |
| 2006 | Asian Games | 200m backstroke | Men | 3 | 2 | Takashi Nakano |
| 2006 | Pan Pacific Championship | 200m backstroke | Women | 1 | 7 | Reiko Nakamura |
| 2006 | Asian Games | 200m backstroke | Women | 1 | 7 | Reiko Nakamura |
| 2006 | Asian Championship | 50m backstroke | Women | 2 | 4 | Masaki Oikawa |
| 2006 | Pan Pacific Championship | 100m backstroke | Men | 3 | 2 | Tomomi Morita |
| 2006 | Asian Games | 50m backstroke | Men | 1 | 7 | Junya Koga |
| 2006 | Asian Games | 100m backstroke | Men | 1 | 7 | Junichi Miyashita |
| 2006 | Pan Pacific Championship | 200m backstroke | Men | 3 | 2 | Tomomi Morita |
| 2005 | World Championship | 200m backstroke | Women | 3 | 3 | Reiko Nakamura |
| 2004 | Olympic Games | 100m backstroke | Men | 3 | 6 | Tomomi Morita |
| 2004 | Olympic Games | 200m backstroke | Women | 3 | 6 | Reiko Nakamura |
| 2003 | World Championship | 50m backstroke | Women | 3 | 3 | Noriko Inada |
| 2002 | Asian Games | 200m backstroke | Men | 2 | 4 | Takashi Nakano |
| 2002 | Asian Games | 200m backstroke | Men | 3 | 2 | Naoya Sonoda |
| 2002 | Asian Games | 200m backstroke | Women | 1 | 7 | Reiko Nakamura |
| 2002 | Asian Games | 100m backstroke | Women | 3 | 2 | Aya Terakawa |
| 2002 | Pan Pacific Championship | 100m backstroke | Men | 3 | 2 | Tomomi Morita |
| 2002 | Asian Games | 100m backstroke | Men | 1 | 7 | Atsushi Nishikori |
| 2002 | World Championship 25m | 200m backstroke | Women | 2 | 2 | Reiko Nakamura |
| 2002 | Asian Games | 100m backstroke | Women | 2 | 4 | Noriko Inada |
| 2002 | Asian Games | 200m backstroke | Women | 2 | 4 | Aya Terakawa |
| 2002 | Asian Games | 100m backstroke | Men | 3 | 2 | Tomomi Morita |
| 2002 | Pan Pacific Championship | 200m backstroke | Women | 2 | 4 | Aya Terakawa |
| 2000 | Olympic Games | 200m backstroke | Women | 3 | 6 | Miki Nakao |
| 2000 | Olympic Games | 100m backstroke | Women | 2 | 18 | Mai Nakamura |
| 1999 | Pan Pacific Championship | 100m backstroke | Women | 1 | 7 | Mai Nakamura |
| 1999 | World Championship 25m | 100m backstroke | Women | 1 | 4 | Mai Nakamura |
| 1999 | Pan Pacific Championship | 200m backstroke | Women | 1 | 7 | Tomoko Hagiwara |
| 1999 | Pan Pacific Championship | 200m backstroke | Women | 2 | 4 | Miki Nakao |
| 1999 | World Championship 25m | 50m backstroke | Women | 2 | 2 | Mai Nakamura |
| 1999 | World Championship 25m | 200m backstroke | Women | 1 | 4 | Mai Nakamura |
| 1998 | Asian Games | 100m backstroke | Women | 1 | 7 | Tomoko Hagiwara |
| 1998 | World Championship | 100m backstroke | Women | 2 | 6 | Mai Nakamura |
| 1998 | Asian Games | 200m backstroke | Women | 1 | 7 | Tomoko Hagiwara |
| 1998 | World Championship | 200m backstroke | Women | 3 | 3 | Mai Nakamura |
| 1998 | Asian Games | 100m backstroke | Women | 2 | 4 | Mai Nakamura |
| 1998 | Asian Games | 200m backstroke | Women | 2 | 4 | Mai Nakamura |
| 1997 | Pan Pacific Championship | 100m backstroke | Women | 1 | 7 | Mai Nakamura |
| 1997 | Pan Pacific Championship | 200m backstroke | Women | 1 | 7 | Mai Nakamura |
| 1997 | Pan Pacific Championship | 200m backstroke | Women | 3 | 2 | Miki Nakao |
| 1995 | Pan Pacific Championship | 200m backstroke | Men | 3 | 2 | Ryuji Horii |
| 1995 | Pan Pacific Championship | 200m backstroke | Women | 2 | 4 | Noriko Inada |
| 1995 | Pan Pacific Championship | 100m backstroke | Women | 1 | 7 | Noriko Inada |
| 1995 | Pan Pacific Championship | 100m backstroke | Women | 3 | 2 | Mai Nakamura |
| 1994 | Asian Games | 200m backstroke | Men | 2 | 4 | Hajime Itoi |
| 1994 | Asian Games | 200m backstroke | Men | 3 | 2 | Ryuji Horii |
| 1994 | Asian Games | 100m backstroke | Women | 3 | 2 | Mai Nakamura |
| 1994 | Asian Games | 100m backstroke | Men | 1 | 7 | Hajime Itoi |
| 1994 | Asian Games | 100m backstroke | Men | 2 | 4 | Eiji Komine |
| 1994 | Asian Games | 200m backstroke | Women | 3 | 2 | Miki Nakao |
| 1994 | Asian Games | 100m backstroke | Women | 2 | 4 | Miki Nakao |
| 1993 | Pan Pacific Championship | 100m backstroke | Women | 3 | 2 | Yoko Koikawa |
| 1993 | Pan Pacific Championship | 100m backstroke | Men | 3 | 2 | Hajime Itoi |
| 1993 | Pan Pacific Championship | 200m backstroke | Men | 3 | 2 | Hajime Itoi |
| 1991 | Pan Pacific Championship | 200m backstroke | Men | 3 | 2 | Hajime Itoi |
| 1990 | Asian Games | 200m backstroke | Women | 3 | 2 | Satomi Oguri |
| 1990 | Asian Games | 200m backstroke | Men | 2 | 4 | Keita Soraoka |
| 1990 | Asian Games | 200m backstroke | Men | 3 | 2 | Hajime Itoi |
| 1990 | Asian Games | 100m backstroke | Women | 3 | 2 | Satomi Oguri |
| 1990 | Asian Games | 100m backstroke | Men | 2 | 4 | Hajime Itoi |
| 1990 | Asian Games | 100m backstroke | Men | 3 | 2 | Keita Soraoka |
| 1988 | Olympic Games | 100m backstroke | Men | 1 | 30 | Daichi Suzuki |
| 1987 | Pan Pacific Championship | 100m backstroke | Men | 2 | 4 | Daichi Suzuki |
| 1986 | Asian Games | 100m backstroke | Men | 2 | 4 | Shigemori Maruyama |
| 1986 | Asian Games | 100m backstroke | Women | 2 | 4 | Kaoru Ono |
| 1986 | Asian Games | 200m backstroke | Women | 3 | 2 | Hiroyo Harada |
| 1986 | Asian Games | 100m backstroke | Men | 1 | 7 | Daichi Suzuki |
| 1986 | Asian Games | 200m backstroke | Men | 1 | 7 | Kazuya Ikeda |
| 1986 | Asian Games | 200m backstroke | Men | 3 | 2 | Shigemori Maruyama |
| 1986 | Asian Games | 100m backstroke | Women | 3 | 2 | Naomi Sekido |
| 1986 | Asian Games | 200m backstroke | Women | 2 | 4 | Naomi Sekido |
| 1982 | Asian Games | 100m backstroke | Men | 1 | 7 | Kenji Ikeda |
| 1982 | Asian Games | 200m backstroke | Men | 1 | 7 | Hidetoshi Takahashi |
| 1982 | Asian Games | 100m backstroke | Women | 3 | 2 | Koto Maeda |
| 1982 | Asian Games | 100m backstroke | Men | 2 | 4 | Hidetoshi Takahashi |
| 1982 | Asian Games | 200m backstroke | Women | 3 | 2 | Hisae Asari |
| 1978 | Asian Games | 200m backstroke | Men | 3 | 2 | Kenji Ikeda |
| 1978 | Asian Games | 200m backstroke | Women | 2 | 4 | Naoko Miura |
| 1978 | Asian Games | 100m backstroke | Women | 1 | 7 | Hisae Asari |
| 1978 | Asian Games | 100m backstroke | Men | 1 | 7 | Kenji Ikeda |
| 1978 | Asian Games | 200m backstroke | Men | 1 | 7 | Tsuyoshi Takahashi |
| 1978 | Asian Games | 100m backstroke | Women | 2 | 4 | Naoko Miura |
| 1978 | Asian Games | 100m backstroke | Men | 2 | 4 | Tsuyoshi Takahashi |
| 1978 | Asian Games | 200m backstroke | Women | 1 | 7 | Hisae Asari |
| 1974 | Asian Games | 100m backstroke | Men | 3 | 2 | Toshimitsu Yamamoto |
| 1974 | Asian Games | 200m backstroke | Men | 3 | 2 | Toshimitsu Yamamoto |
| 1974 | Asian Games | 100m backstroke | Women | 1 | 7 | Suzuko Matsumura |
| 1974 | Asian Games | 100m backstroke | Men | 1 | 7 | Tadashi Honda |
| 1974 | Asian Games | 200m backstroke | Men | 1 | 7 | Tadashi Honda |
| 1974 | Asian Games | 100m backstroke | Women | 2 | 4 | Taeko Sudo |
| 1970 | Asian Games | 100m backstroke | Women | 2 | 4 | Kikuyo Ishii |
| 1970 | Asian Games | 100m backstroke | Women | 1 | 7 | Yukiko Goshi |
| 1970 | Asian Games | 100m backstroke | Men | 1 | 7 | Tadashi Honda |
| 1970 | Asian Games | 200m backstroke | Men | 2 | 4 | Koji Hoshino |
| 1970 | Asian Games | 100m backstroke | Men | 2 | 4 | Koji Hoshino |
| 1970 | Asian Games | 200m backstroke | Men | 1 | 7 | Tadashi Honda |
| 1966 | Asian Games | 100m backstroke | Women | 1 | 7 | Satoko Tanaka |
| 1966 | Asian Games | 100m backstroke | Men | 1 | 7 | Yushiro Hayashi |
| 1966 | Asian Games | 200m backstroke | Men | 2 | 4 | Yushiro Hayashi |
| 1966 | Asian Games | 100m backstroke | Men | 2 | 4 | Kishio Tanaka |
| 1966 | Asian Games | 200m backstroke | Men | 1 | 7 | Shigeo Fukushima |
| 1966 | Asian Games | 100m backstroke | Women | 2 | 4 | Kimiko Gabe |
| 1962 | Asian Games | 100m backstroke | Men | 1 | 7 | Kazuo Tomita |
| 1962 | Asian Games | 100m backstroke | Women | 1 | 7 | Satoko Tanaka |
| 1962 | Asian Games | 200m backstroke | Men | 2 | 4 | Kazuo Tomita |
| 1962 | Asian Games | 100m backstroke | Men | 2 | 4 | Keisuke Ito |
| 1962 | Asian Games | 200m backstroke | Men | 1 | 7 | Keisuke Ito |
| 1962 | Asian Games | 100m backstroke | Women | 2 | 4 | Hiromi Yotsumoto |
| 1960 | Olympic Games | 100m backstroke | Women | 3 | 6 | Satoko Tanaka |
| 1958 | Asian Games | 100m backstroke | Women | 1 | 7 | Satoko Tanaka |
| 1958 | Asian Games | 100m backstroke | Men | 1 | 7 | Keiji Hase |
| 1958 | Asian Games | 200m backstroke | Men | 2 | 4 | Kazuo Watanabe |
| 1958 | Asian Games | 100m backstroke | Men | 2 | 4 | Hideo Ninomiya |
| 1958 | Asian Games | 200m backstroke | Men | 1 | 7 | Kazuo Tomita |
| 1958 | Asian Games | 100m backstroke | Women | 2 | 4 | Setsuko Okamoto |
| 1954 | Asian Games | 100m backstroke | Men | 2 | 4 | Norihiko Kurahashi |
| 1954 | Asian Games | 100m backstroke | Women | 2 | 4 | Keiko Sadamori |
| 1954 | Asian Games | 100m backstroke | Men | 3 | 2 | Takuro Ashida |
| 1954 | Asian Games | 100m backstroke | Women | 3 | 2 | Midori Morimae |
| 1954 | Asian Games | 100m backstroke | Men | 1 | 7 | Keiji Hase |
| 1936 | Olympic Games | 100m backstroke | Men | 3 | 6 | Masaji Kiyokawa |
| 1932 | Olympic Games | 100m backstroke | Men | 1 | 30 | Masaji Kiyokawa |
| 1932 | Olympic Games | 100m backstroke | Men | 3 | 6 | Kentaro Kawatsu |
| 1932 | Olympic Games | 100m backstroke | Men | 2 | 18 | Toshio Irie |