Subject Analysis
Japan
Career
1956 – 2025
Best year
2016
Total points
915
Best results
1× 1. Olympic Games
All-time rank
#5
10-year rank
#5
Ranking Development
Points distribution
Disciplines
Contests
Categories
| Year | Contest | Discipline | Category | Position | Points | Name |
|---|---|---|---|---|---|---|
| 1991 | Pan Pacific Championship | 100m butterfly | Women | 3 | 2 | Yoko Kando |
| 1999 | Pan Pacific Championship | 100m butterfly | Women | 3 | 2 | Ayari Aoyama |
| 1973 | World Championship | 100m butterfly | Women | 3 | 3 | Mayumi Aoki |
| 2001 | World Championship | 100m butterfly | Women | 3 | 3 | Junko Onishi |
| 1987 | Pan Pacific Championship | 200m butterfly | Women | 3 | 2 | Kiyomi Takahashi |
| 1991 | Pan Pacific Championship | 200m butterfly | Women | 3 | 2 | Yoko Kando |
| 2006 | Pan Pacific Championship | 200m butterfly | Women | 3 | 2 | Yurie Yano |
| 2003 | World Championship | 200m butterfly | Women | 3 | 3 | Yuko Nakanishi |
| 2005 | World Championship | 200m butterfly | Women | 3 | 3 | Yuko Nakanishi |
| 2012 | Asian Championship | 50m butterfly | Men | 3 | 2 | Toru Maruyama |
| 2016 | Asian Championship | 50m butterfly | Men | 3 | 2 | Takeshi Kawamoto |
| 2006 | Asian Championship | 100m butterfly | Men | 3 | 2 | Shota Takamoto |
| 2009 | Asian Championship | 100m butterfly | Men | 3 | 2 | Hirofumi Ikebata |
| 2012 | Asian Championship | 100m butterfly | Men | 3 | 2 | Takeshi Kawamoto |
| 2006 | Asian Championship | 200m butterfly | Men | 3 | 2 | Shota Takamoto |
| 2009 | Asian Championship | 50m butterfly | Women | 3 | 2 | Rino Hosoda |
| 2009 | Asian Championship | 100m butterfly | Women | 3 | 2 | Rino Hosoda |
| 2012 | Asian Championship | 100m butterfly | Women | 3 | 2 | Rino Hosoda |
| 2016 | Asian Championship | 100m butterfly | Women | 3 | 2 | Yui Yamane |
| 2009 | Asian Championship | 200m butterfly | Women | 3 | 2 | Natsuki Akiyama |
| 2012 | Asian Championship | 200m butterfly | Women | 3 | 2 | Misuzu Yabu |
| 2016 | Asian Championship | 200m butterfly | Women | 3 | 2 | Miyu Nakano |
| 1966 | Asian Games | 100m butterfly | Men | 3 | 2 | Yasuo Takada |
| 1974 | Asian Games | 100m butterfly | Men | 3 | 2 | Yasuhiro Komazaki |
| 1986 | Asian Games | 100m butterfly | Men | 3 | 2 | Hiroshi Sato |
| 1990 | Asian Games | 100m butterfly | Men | 3 | 2 | Tomohiro Miyoshi |
| 1994 | Asian Games | 100m butterfly | Men | 3 | 2 | Mitsuharu Takane |
| 2014 | Asian Games | 100m butterfly | Men | 3 | 2 | Hirofumi Ikebata |
| 2018 | Asian Games | 100m butterfly | Men | 3 | 2 | Yuki Kobori |
| 1982 | Asian Games | 200m butterfly | Men | 3 | 2 | Masakazu Hirata |
| 1986 | Asian Games | 200m butterfly | Men | 3 | 2 | Yukinori Tanaka |
| 1994 | Asian Games | 200m butterfly | Men | 3 | 2 | Osamu Mihara |
| 2002 | Asian Games | 200m butterfly | Men | 3 | 2 | Takeshi Matsuda |
| 2006 | Asian Games | 200m butterfly | Men | 3 | 2 | Ryuichi Shibata |
| 2006 | Asian Games | 50m butterfly | Women | 3 | 2 | Yuka Kato |
| 2022 | Asian Games | 50m butterfly | Women | 3 | 2 | Rikako Ikee |
| 1958 | Asian Games | 100m butterfly | Women | 3 | 2 | Tatsuyo Teragaito |
| 1986 | Asian Games | 100m butterfly | Women | 3 | 2 | Kiyomi Takahashi |
| 1990 | Asian Games | 100m butterfly | Women | 3 | 2 | Yoko Kando |
| 1998 | Asian Games | 100m butterfly | Women | 3 | 2 | Hitomi Kashima |
| 2010 | Asian Games | 100m butterfly | Women | 3 | 2 | Yuka Kato |
| 1990 | Asian Games | 200m butterfly | Women | 3 | 2 | Rie Shito |
| 1994 | Asian Games | 200m butterfly | Women | 3 | 2 | Mika Haruna |
| 1998 | Asian Games | 200m butterfly | Women | 3 | 2 | Hitomi Kashima |
| 2006 | Asian Games | 200m butterfly | Women | 3 | 2 | Yuko Nakanishi |
| 2014 | Asian Games | 200m butterfly | Women | 3 | 2 | Miyu Nakano |
| 2018 | Asian Games | 200m butterfly | Women | 3 | 2 | Suzuka Hasegawa |
| 2022 | Asian Games | 200m butterfly | Women | 3 | 2 | Hiroko Makino |
| 2008 | Olympic Games | 200m butterfly | Men | 3 | 6 | Takeshi Matsuda |
| 2012 | Olympic Games | 200m butterfly | Men | 3 | 6 | Takeshi Matsuda |
| 2016 | World Championship 25m | 200m butterfly | Men | 3 | 1 | Daiya Seto |
| 2016 | World Championship 25m | 50m butterfly | Women | 3 | 1 | Rikako Ikee |
| 1999 | World Championship 25m | 100m butterfly | Women | 3 | 1 | Ayari Aoyama |
| 2016 | World Championship 25m | 100m butterfly | Women | 3 | 1 | Rikako Ikee |
| 2018 | World Championship 25m | 200m butterfly | Women | 3 | 1 | Suzuka Hasegawa |
| 2004 | Olympic Games | 200m butterfly | Women | 3 | 6 | Yuko Nakanishi |
| 2012 | Olympic Games | 200m butterfly | Women | 3 | 6 | Natsumi Hoshi |
| 2016 | Olympic Games | 200m butterfly | Women | 3 | 6 | Natsumi Hoshi |
| 2009 | World Championship | 200m butterfly | Men | 3 | 3 | Takeshi Matsuda |
| 2017 | World Championship | 200m butterfly | Men | 3 | 3 | Daiya Seto |
| 2022 | World Championship | 200m butterfly | Men | 3 | 3 | Tomoru Honda |
| 2023 | World Championship | 200m butterfly | Men | 3 | 3 | Tomoru Honda |
| 1999 | Pan Pacific Championship | 100m butterfly | Men | 3 | 2 | Takashi Yamamoto |
| 2006 | Pan Pacific Championship | 100m butterfly | Men | 3 | 2 | Takashi Yamamoto |
| 2010 | Pan Pacific Championship | 100m butterfly | Men | 3 | 2 | Takuro Fujii |
| 2014 | Pan Pacific Championship | 100m butterfly | Men | 3 | 2 | Hirofumi Ikebata |
| 1991 | Pan Pacific Championship | 200m butterfly | Men | 3 | 2 | Keiichi Kawanaka |
| 1993 | Pan Pacific Championship | 200m butterfly | Men | 3 | 2 | Mitsuharu Takane |
| 2002 | Pan Pacific Championship | 200m butterfly | Men | 3 | 2 | Takashi Yamamoto |
| 2006 | Pan Pacific Championship | 200m butterfly | Men | 3 | 2 | Takeshi Matsuda |
| 2010 | Pan Pacific Championship | 200m butterfly | Men | 3 | 2 | Takeshi Matsuda |
| 1997 | Pan Pacific Championship | 100m butterfly | Women | 2 | 4 | Ayari Aoyama |
| 1987 | Pan Pacific Championship | 200m butterfly | Women | 2 | 4 | Takayo Kitano |
| 1993 | Pan Pacific Championship | 200m butterfly | Women | 2 | 4 | Mika Haruna |
| 1995 | Pan Pacific Championship | 200m butterfly | Women | 2 | 4 | Mika Haruna |
| 2006 | Pan Pacific Championship | 200m butterfly | Women | 2 | 4 | Yuko Nakanishi |
| 2014 | Pan Pacific Championship | 200m butterfly | Women | 2 | 4 | Natsumi Hoshi |
| 2018 | Pan Pacific Championship | 200m butterfly | Women | 2 | 4 | Sachi Mochida |
| 2016 | Asian Championship | 100m butterfly | Men | 2 | 4 | Masato Sakai |
| 2016 | Asian Championship | 100m butterfly | Men | 2 | 4 | Takeshi Kawamoto |
| 2012 | Asian Championship | 200m butterfly | Men | 2 | 4 | Masato Sakai |
| 2016 | Asian Championship | 200m butterfly | Men | 2 | 4 | Daiya Seto |
| 2025 | Asian Championship | 200m butterfly | Men | 2 | 4 | Ryo Kuratsuka |
| 2006 | Asian Games | 50m butterfly | Men | 2 | 4 | Ryo Takayasu |
| 2010 | Asian Games | 50m butterfly | Men | 2 | 4 | Masayuki Kishida |
| 1958 | Asian Games | 100m butterfly | Men | 2 | 4 | Fumiaki Masunaga |
| 1962 | Asian Games | 100m butterfly | Men | 2 | 4 | Koji Iwamoto |
| 1970 | Asian Games | 100m butterfly | Men | 2 | 4 | Satoshi Maruya |
| 1990 | Asian Games | 100m butterfly | Men | 2 | 4 | Kunio Sugimoto |
| 1994 | Asian Games | 100m butterfly | Men | 2 | 4 | Hajime Itoi |
| 2002 | Asian Games | 100m butterfly | Men | 2 | 4 | Kohei Kawamoto |
| 2006 | Asian Games | 100m butterfly | Men | 2 | 4 | Ryo Takayasu |
| 2010 | Asian Games | 100m butterfly | Men | 2 | 4 | Takuro Fujii |
| 1958 | Asian Games | 200m butterfly | Men | 2 | 4 | Koichi Hirakida |
| 1962 | Asian Games | 200m butterfly | Men | 2 | 4 | Koji Iwamoto |
| 1966 | Asian Games | 200m butterfly | Men | 2 | 4 | Shinji Yamanouchi |
| 1970 | Asian Games | 200m butterfly | Men | 2 | 4 | Satoshi Maruya |
| 1974 | Asian Games | 200m butterfly | Men | 2 | 4 | Hideaki Hara |
| 1990 | Asian Games | 200m butterfly | Men | 2 | 4 | Tomohiro Miyoshi |
| 1994 | Asian Games | 200m butterfly | Men | 2 | 4 | Mitsuharu Takane |
| 2002 | Asian Games | 200m butterfly | Men | 2 | 4 | Takashi Yamamoto |
| 2006 | Asian Games | 200m butterfly | Men | 2 | 4 | Takeshi Matsuda |
| 2010 | Asian Games | 200m butterfly | Men | 2 | 4 | Ryusuke Sakata |
| 2014 | Asian Games | 200m butterfly | Men | 2 | 4 | Kenta Hirai |
| 2018 | Asian Games | 200m butterfly | Men | 2 | 4 | Nao Horomura |
| 2025 | Asian Championship | 200m butterfly | Women | 2 | 4 | Manami Miyamoto |
| 2010 | Asian Games | 50m butterfly | Women | 2 | 4 | Yuka Kato |
| 1962 | Asian Games | 100m butterfly | Women | 2 | 4 | Michiyo Nakanishi |
| 1966 | Asian Games | 100m butterfly | Women | 2 | 4 | Eiko Takahashi |
| 1970 | Asian Games | 100m butterfly | Women | 2 | 4 | Kazuyo Banno |
| 1974 | Asian Games | 100m butterfly | Women | 2 | 4 | Yukari Takemoto |
| 1978 | Asian Games | 100m butterfly | Women | 2 | 4 | Naoko Kume |
| 1982 | Asian Games | 100m butterfly | Women | 2 | 4 | Kiyomi Takahashi |
| 1986 | Asian Games | 100m butterfly | Women | 2 | 4 | Yoko Kawahigashi |
| 2002 | Asian Games | 100m butterfly | Women | 2 | 4 | Yuko Nakanishi |
| 2022 | Asian Games | 100m butterfly | Women | 2 | 4 | Ai Soma |
| 1978 | Asian Games | 200m butterfly | Women | 2 | 4 | Naoko Kume |
| 1982 | Asian Games | 200m butterfly | Women | 2 | 4 | Takemi Ise |
| 1986 | Asian Games | 200m butterfly | Women | 2 | 4 | Kiyomi Takahashi |
| 2002 | Asian Games | 200m butterfly | Women | 2 | 4 | Maki Mita |
| 2010 | Asian Games | 200m butterfly | Women | 2 | 4 | Natsumi Hoshi |
| 2014 | Asian Games | 200m butterfly | Women | 2 | 4 | Natsumi Hoshi |
| 2018 | Asian Games | 200m butterfly | Women | 2 | 4 | Sachi Mochida |
| 1956 | Olympic Games | 200m butterfly | Men | 2 | 18 | Takashi Ishimoto |
| 2004 | Olympic Games | 200m butterfly | Men | 2 | 18 | Takashi Yamamoto |
| 2016 | Olympic Games | 200m butterfly | Men | 2 | 18 | Masato Sakai |
| 2020 | Olympic Games | 200m butterfly | Men | 2 | 18 | Tomoru Honda |
| 1999 | World Championship 25m | 200m butterfly | Men | 2 | 2 | Takashi Yamamoto |
| 2014 | World Championship 25m | 200m butterfly | Men | 2 | 2 | Daiya Seto |
| 2022 | World Championship 25m | 200m butterfly | Men | 2 | 2 | Daiya Seto |
| 1997 | World Championship 25m | 200m butterfly | Women | 2 | 2 | Hitomi Kashima |
| 2022 | World Championship | 100m butterfly | Men | 2 | 6 | Naoki Mizunuma |
| 2003 | World Championship | 200m butterfly | Men | 2 | 6 | Takashi Yamamoto |
| 2005 | World Championship | 200m butterfly | Men | 2 | 6 | Takeshi Matsuda |
| 2011 | World Championship | 200m butterfly | Men | 2 | 6 | Takeshi Matsuda |
| 2019 | World Championship | 200m butterfly | Men | 2 | 6 | Daiya Seto |
| 1998 | World Championship | 100m butterfly | Women | 2 | 6 | Ayari Aoyama |
| 1991 | World Championship | 200m butterfly | Women | 2 | 6 | Rie Shito |
| 2006 | Pan Pacific Championship | 100m butterfly | Men | 2 | 4 | Ryo Takayasu |
| 1999 | Pan Pacific Championship | 200m butterfly | Men | 2 | 4 | Takashi Yamamoto |
| 2006 | Pan Pacific Championship | 200m butterfly | Men | 2 | 4 | Ryuichi Shibata |
| 2016 | Asian Championship | 50m butterfly | Men | 1 | 7 | Masayuki Kishida |
| 1958 | Asian Games | 100m butterfly | Men | 1 | 7 | Takashi Ishimoto |
| 1962 | Asian Games | 100m butterfly | Men | 1 | 7 | Kenzo Izutsu |
| 1966 | Asian Games | 100m butterfly | Men | 1 | 7 | Isao Nakajima |
| 1970 | Asian Games | 100m butterfly | Men | 1 | 7 | Yasuhiro Komazaki |
| 1974 | Asian Games | 100m butterfly | Men | 1 | 7 | Hideaki Hara |
| 1978 | Asian Games | 100m butterfly | Men | 1 | 7 | Shinsuke Kayama |
| 1982 | Asian Games | 100m butterfly | Men | 1 | 7 | Taihei Saka |
| 1986 | Asian Games | 100m butterfly | Men | 1 | 7 | Hiroshi Miura |
| 1998 | Asian Games | 100m butterfly | Men | 1 | 7 | Takashi Yamamoto |
| 2002 | Asian Games | 100m butterfly | Men | 1 | 7 | Takashi Yamamoto |
| 2006 | Asian Games | 100m butterfly | Men | 1 | 7 | Takashi Yamamoto |
| 2022 | Asian Games | 100m butterfly | Men | 1 | 7 | Katsuhiro Matsumoto |
| 1958 | Asian Games | 200m butterfly | Men | 1 | 7 | Takashi Ishimoto |
| 1962 | Asian Games | 200m butterfly | Men | 1 | 7 | Kenzo Izutsu |
| 1966 | Asian Games | 200m butterfly | Men | 1 | 7 | Yasuo Takada |
| 1970 | Asian Games | 200m butterfly | Men | 1 | 7 | Yasuhiro Komazaki |
| 1974 | Asian Games | 200m butterfly | Men | 1 | 7 | Yasuhiro Komazaki |
| 1978 | Asian Games | 200m butterfly | Men | 1 | 7 | Shinsuke Kayama |
| 1982 | Asian Games | 200m butterfly | Men | 1 | 7 | Taihei Saka |
| 1986 | Asian Games | 200m butterfly | Men | 1 | 7 | Hiroshi Sato |
| 1990 | Asian Games | 200m butterfly | Men | 1 | 7 | Kunio Sugimoto |
| 1998 | Asian Games | 200m butterfly | Men | 1 | 7 | Takashi Yamamoto |
| 2010 | Asian Games | 200m butterfly | Men | 1 | 7 | Takeshi Matsuda |
| 2014 | Asian Games | 200m butterfly | Men | 1 | 7 | Daiya Seto |
| 2018 | Asian Games | 200m butterfly | Men | 1 | 7 | Daiya Seto |
| 2022 | Asian Games | 200m butterfly | Men | 1 | 7 | Tomoru Honda |
| 2016 | Asian Championship | 200m butterfly | Men | 1 | 7 | Masato Sakai |
| 2018 | Asian Games | 50m butterfly | Women | 1 | 7 | Rikako Ikee |
| 2016 | Asian Championship | 50m butterfly | Women | 1 | 7 | Rikako Ikee |
| 1958 | Asian Games | 100m butterfly | Women | 1 | 7 | Shizue Miyabe |
| 1962 | Asian Games | 100m butterfly | Women | 1 | 7 | Eiko Takahashi |
| 1966 | Asian Games | 100m butterfly | Women | 1 | 7 | Masako Ishii |
| 1970 | Asian Games | 100m butterfly | Women | 1 | 7 | Mayumi Aoki |
| 1974 | Asian Games | 100m butterfly | Women | 1 | 7 | Yasue Hatsuda |
| 1978 | Asian Games | 100m butterfly | Women | 1 | 7 | Yasue Hatsuda |
| 1982 | Asian Games | 100m butterfly | Women | 1 | 7 | Takemi Ise |
| 1998 | Asian Games | 100m butterfly | Women | 1 | 7 | Ayari Aoyama |
| 2018 | Asian Games | 100m butterfly | Women | 1 | 7 | Rikako Ikee |
| 2016 | Asian Championship | 100m butterfly | Women | 1 | 7 | Rikako Ikee |
| 1978 | Asian Games | 200m butterfly | Women | 1 | 7 | Yasue Hatsuda |
| 1982 | Asian Games | 200m butterfly | Women | 1 | 7 | Kiyomi Takahashi |
| 1986 | Asian Games | 200m butterfly | Women | 1 | 7 | Izumi Kawahara |
| 2002 | Asian Games | 200m butterfly | Women | 1 | 7 | Yuko Nakanishi |
| 2006 | Asian Games | 200m butterfly | Women | 1 | 7 | Yurie Yano |
| 2012 | World Championship 25m | 200m butterfly | Men | 1 | 4 | Kazuya Kaneda |
| 2018 | World Championship 25m | 200m butterfly | Men | 1 | 4 | Daiya Seto |
| 1972 | Olympic Games | 100m butterfly | Women | 1 | 30 | Mayumi Aoki |
| 2024 | World Championship | 200m butterfly | Men | 1 | 10 | Tomoru Honda |
| 2015 | World Championship | 200m butterfly | Women | 1 | 10 | Natsumi Hoshi |
| 2014 | Pan Pacific Championship | 200m butterfly | Men | 1 | 7 | Daiya Seto |
| 2018 | Pan Pacific Championship | 200m butterfly | Men | 1 | 7 | Daiya Seto |
| 2018 | Pan Pacific Championship | 100m butterfly | Women | 1 | 7 | Rikako Ikee |
| 1989 | Pan Pacific Championship | 200m butterfly | Women | 1 | 7 | Rie Shito |
| 1993 | Pan Pacific Championship | 200m butterfly | Women | 1 | 7 | Rie Shito |