Subject Analysis
Japan
Career
1958 – 2025
Best year
2018
Total points
1942
Best results
1× 2. Olympic Games
All-time rank
#5
10-year rank
#5
Ranking Development
Points distribution
Disciplines
Contests
Categories
| Year | Contest | Discipline | Category | Position | Points | Name |
|---|---|---|---|---|---|---|
| 2025 | Asian Championship | 400m individual medley | Women | 2 | 4 | Koharu Nakazawa |
| 2025 | Asian Championship | 4x100m medley | M/W | 2 | 12 | – |
| 2025 | Asian Championship | 4x100m medley | Women | 2 | 12 | – |
| 2025 | World Championship | 400m individual medley | Men | 2 | 6 | Tomoyuki Matsushita |
| 2025 | World Championship | 400m individual medley | Women | 3 | 3 | Mio Narita |
| 2025 | Asian Championship | 200m individual medley | Women | 1 | 7 | Mana Ishikawa |
| 2025 | Asian Championship | 400m individual medley | Men | 3 | 2 | Shun Tanaka |
| 2024 | Olympic Games | 400m individual medley | Men | 2 | 18 | Tomoyuki Matsushita |
| 2024 | World Championship | 400m individual medley | Men | 3 | 3 | Daiya Seto |
| 2023 | World Championship | 400m individual medley | Men | 3 | 3 | Daiya Seto |
| 2022 | Asian Games | 400m individual medley | Women | 3 | 2 | Mio Narita |
| 2022 | World Championship | 200m individual medley | Men | 3 | 3 | Daiya Seto |
| 2022 | World Championship 25m | 400m individual medley | Women | 3 | 1 | Waka Kobori |
| 2022 | Asian Games | 400m individual medley | Women | 2 | 4 | Ageha Tanigawa |
| 2022 | Asian Games | 4x100m medley | M/W | 2 | 12 | – |
| 2022 | Asian Games | 400m individual medley | Men | 1 | 7 | Tomoru Honda |
| 2022 | Asian Games | 4x100m medley | Women | 1 | 21 | – |
| 2022 | Asian Games | 400m individual medley | Men | 2 | 4 | Daiya Seto |
| 2022 | Asian Games | 4x100m medley | Men | 3 | 6 | – |
| 2022 | Asian Games | 200m individual medley | Men | 3 | 2 | Daiya Seto |
| 2022 | World Championship 25m | 400m individual medley | Men | 1 | 4 | Daiya Seto |
| 2021 | World Championship 25m | 400m individual medley | Men | 1 | 4 | Daiya Seto |
| 2021 | World Championship 25m | 200m individual medley | Men | 1 | 4 | Daiya Seto |
| 2020 | Olympic Games | 400m individual medley | Women | 1 | 30 | Yui Ohashi |
| 2020 | Olympic Games | 200m individual medley | Women | 1 | 30 | Yui Ohashi |
| 2019 | World Championship | 200m individual medley | Men | 1 | 10 | Daiya Seto |
| 2019 | World Championship | 400m individual medley | Men | 1 | 10 | Daiya Seto |
| 2019 | World Championship | 400m individual medley | Women | 3 | 3 | Yui Ohashi |
| 2018 | Pan Pacific Championship | 400m individual medley | Women | 1 | 7 | Yui Ohashi |
| 2018 | Pan Pacific Championship | 4x100m medley | Men | 2 | 12 | – |
| 2018 | Asian Games | 400m individual medley | Women | 1 | 7 | Yui Ohashi |
| 2018 | Asian Games | 200m individual medley | Women | 3 | 2 | Miho Teramura |
| 2018 | Pan Pacific Championship | 400m individual medley | Men | 2 | 4 | Kosuke Hagino |
| 2018 | Asian Games | 200m individual medley | Men | 2 | 4 | Kosuke Hagino |
| 2018 | Pan Pacific Championship | 400m individual medley | Women | 3 | 2 | Sakiko Shimizu |
| 2018 | Pan Pacific Championship | 200m individual medley | Women | 1 | 7 | Yui Ohashi |
| 2018 | Asian Games | 400m individual medley | Women | 3 | 2 | Sakiko Shimizu |
| 2018 | World Championship 25m | 100m individual medley | Women | 2 | 2 | Runa Imai |
| 2018 | Pan Pacific Championship | 4x100m mixed medley | M/W | 2 | 12 | – |
| 2018 | Asian Games | 200m individual medley | Women | 2 | 4 | Yui Ohashi |
| 2018 | World Championship 25m | 400m individual medley | Men | 1 | 4 | Daiya Seto |
| 2018 | Pan Pacific Championship | 400m individual medley | Men | 3 | 2 | Daiya Seto |
| 2018 | World Championship 25m | 200m individual medley | Men | 3 | 1 | Hiromasa Fujimori |
| 2018 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | – |
| 2018 | Pan Pacific Championship | 200m individual medley | Women | 3 | 2 | Miho Teramura |
| 2018 | Asian Games | 4x100m medley | M/W | 2 | 12 | – |
| 2018 | Asian Games | 400m individual medley | Men | 1 | 7 | Daiya Seto |
| 2018 | Pan Pacific Championship | 200m individual medley | Men | 3 | 2 | Kosuke Hagino |
| 2018 | World Championship 25m | 4x100m medley | Men | 3 | 3 | – |
| 2018 | Asian Games | 4x100m medley | Women | 1 | 21 | – |
| 2018 | Asian Games | 400m individual medley | Men | 2 | 4 | Kosuke Hagino |
| 2018 | Asian Games | 4x100m medley | Men | 2 | 12 | – |
| 2017 | World Championship | 400m individual medley | Men | 3 | 3 | Daiya Seto |
| 2017 | World Championship | 200m individual medley | Men | 2 | 6 | Kosuke Hagino |
| 2017 | World Championship | 200m individual medley | Women | 2 | 6 | Yui Ohashi |
| 2016 | World Championship 25m | 4x50m mixed medley | M/W | 3 | 3 | – |
| 2016 | Asian Championship | 4x100m medley | Women | 1 | 21 | – |
| 2016 | Asian Championship | 200m individual medley | Men | 2 | 4 | Daiya Seto |
| 2016 | World Championship 25m | 4x100m medley | Men | 3 | 3 | – |
| 2016 | Asian Championship | 200m individual medley | Men | 3 | 2 | Keita Sunama |
| 2016 | Asian Championship | 400m individual medley | Women | 2 | 4 | Sakiko Shimizu |
| 2016 | Olympic Games | 400m individual medley | Men | 1 | 30 | Kosuke Hagino |
| 2016 | Asian Championship | 4x100m medley | Men | 2 | 12 | – |
| 2016 | Asian Championship | 200m individual medley | Women | 2 | 4 | Runa Imai |
| 2016 | Asian Championship | 400m individual medley | Women | 3 | 2 | Yui Ohashi |
| 2016 | Olympic Games | 400m individual medley | Men | 3 | 6 | Daiya Seto |
| 2016 | World Championship 25m | 100m individual medley | Men | 3 | 1 | Shinri Shioura |
| 2016 | World Championship 25m | 400m individual medley | Men | 1 | 4 | Daiya Seto |
| 2016 | Olympic Games | 200m individual medley | Men | 2 | 18 | Kosuke Hagino |
| 2016 | World Championship 25m | 100m individual medley | Men | 2 | 2 | Daiya Seto |
| 2016 | Asian Championship | 200m individual medley | Women | 1 | 7 | Yui Ohashi |
| 2016 | World Championship 25m | 200m individual medley | Men | 3 | 1 | Daiya Seto |
| 2016 | Asian Championship | 400m individual medley | Men | 1 | 7 | Daiya Seto |
| 2015 | World Championship | 400m individual medley | Men | 1 | 10 | Daiya Seto |
| 2015 | World Championship | 200m individual medley | Women | 2 | 6 | Kanako Watanabe |
| 2014 | Asian Games | 400m individual medley | Men | 1 | 7 | Kosuke Hagino |
| 2014 | World Championship 25m | 200m individual medley | Men | 1 | 4 | Kosuke Hagino |
| 2014 | Pan Pacific Championship | 200m individual medley | Men | 3 | 2 | Daiya Seto |
| 2014 | World Championship 25m | 400m individual medley | Men | 1 | 4 | Daiya Seto |
| 2014 | Asian Games | 4x100m medley | Women | 1 | 21 | – |
| 2014 | Asian Games | 400m individual medley | Men | 3 | 2 | Daiya Seto |
| 2014 | World Championship 25m | 200m individual medley | Men | 3 | 1 | Daiya Seto |
| 2014 | Asian Games | 4x100m medley | Men | 2 | 12 | – |
| 2014 | World Championship 25m | 4x100m medley | Women | 3 | 3 | – |
| 2014 | Pan Pacific Championship | 4x100m medley | Men | 2 | 12 | – |
| 2014 | Asian Games | 200m individual medley | Women | 3 | 2 | Miho Teramura |
| 2014 | Pan Pacific Championship | 400m individual medley | Men | 1 | 7 | Kosuke Hagino |
| 2014 | Asian Games | 200m individual medley | Men | 2 | 4 | Hiromasa Fujimori |
| 2014 | World Championship 25m | 400m individual medley | Men | 2 | 2 | Kosuke Hagino |
| 2014 | Asian Games | 400m individual medley | Women | 2 | 4 | Sakiko Shimizu |
| 2014 | Asian Games | 200m individual medley | Women | 2 | 4 | Kanako Watanabe |
| 2014 | Asian Games | 200m individual medley | Men | 1 | 7 | Kosuke Hagino |
| 2014 | Pan Pacific Championship | 200m individual medley | Men | 1 | 7 | Kosuke Hagino |
| 2013 | World Championship | 400m individual medley | Men | 1 | 10 | Daiya Seto |
| 2013 | World Championship | 4x100m medley | Men | 3 | 9 | – |
| 2013 | World Championship | 200m individual medley | Men | 2 | 6 | Kosuke Hagino |
| 2012 | Olympic Games | 4x100m medley | Women | 3 | 18 | – |
| 2012 | World Championship 25m | 400m individual medley | Men | 1 | 4 | Daiya Seto |
| 2012 | Asian Championship | 4x100m medley | Women | 2 | 12 | – |
| 2012 | Asian Championship | 200m individual medley | Men | 3 | 2 | Keita Sunama |
| 2012 | World Championship 25m | 200m individual medley | Men | 2 | 2 | Daiya Seto |
| 2012 | Asian Championship | 200m individual medley | Women | 3 | 2 | Chihiro Igarashi |
| 2012 | Asian Championship | 400m individual medley | Women | 1 | 7 | Hiroko Makino |
| 2012 | Asian Championship | 4x100m medley | Men | 2 | 12 | – |
| 2012 | Olympic Games | 4x100m medley | Men | 2 | 54 | – |
| 2012 | Asian Championship | 400m individual medley | Men | 2 | 4 | Keita Sunama |
| 2012 | Olympic Games | 400m individual medley | Men | 3 | 6 | Kosuke Hagino |
| 2011 | World Championship | 400m individual medley | Men | 3 | 3 | Yuya Horihata |
| 2010 | Asian Games | 200m individual medley | Men | 3 | 2 | Yuya Horihata |
| 2010 | Asian Games | 4x100m medley | Women | 2 | 12 | – |
| 2010 | Asian Games | 200m individual medley | Men | 1 | 7 | Ken Takakuwa |
| 2010 | Asian Games | 400m individual medley | Men | 1 | 7 | Yuya Horihata |
| 2010 | Asian Games | 400m individual medley | Men | 3 | 2 | Ken Takakuwa |
| 2010 | Pan Pacific Championship | 4x100m medley | Men | 2 | 12 | – |
| 2010 | Asian Games | 4x100m medley | Men | 1 | 21 | – |
| 2010 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | – |
| 2009 | Asian Championship | 400m individual medley | Men | 3 | 2 | Keita Sameshima |
| 2009 | Asian Championship | 400m individual medley | Men | 1 | 7 | Daiya Seto |
| 2009 | Asian Championship | 200m individual medley | Men | 1 | 7 | Kosuke Hagino |
| 2009 | Asian Championship | 400m individual medley | Women | 3 | 2 | Emi Takabatake |
| 2009 | Asian Championship | 4x100m medley | Women | 2 | 12 | – |
| 2009 | Asian Championship | 200m individual medley | Women | 3 | 2 | Emi Takabatake |
| 2009 | Asian Championship | 4x100m medley | Men | 2 | 12 | – |
| 2008 | Olympic Games | 4x100m medley | Men | 3 | 18 | – |
| 2007 | World Championship | 4x100m medley | Men | 2 | 18 | – |
| 2006 | Asian Games | 4x100m medley | Men | 1 | 21 | – |
| 2006 | Asian Games | 200m individual medley | Women | 2 | 4 | Asami Kitagawa |
| 2006 | Asian Championship | 200m individual medley | Women | 3 | 2 | Toshie Abe |
| 2006 | Asian Games | 400m individual medley | Men | 2 | 4 | Shinya Taniguchi |
| 2006 | Pan Pacific Championship | 200m individual medley | Men | 3 | 2 | Ken Takakuwa |
| 2006 | Asian Championship | 400m individual medley | Men | 3 | 2 | Taishi Okude |
| 2006 | Asian Games | 4x100m medley | Women | 2 | 12 | – |
| 2006 | Asian Games | 200m individual medley | Men | 1 | 7 | Hidemasa Sano |
| 2006 | Asian Games | 400m individual medley | Women | 3 | 2 | Maiko Fujino |
| 2006 | Asian Games | 400m individual medley | Men | 1 | 7 | Hidemasa Sano |
| 2006 | Asian Games | 200m individual medley | Women | 3 | 2 | Maiko Fujino |
| 2006 | Asian Games | 200m individual medley | Men | 2 | 4 | Ken Takakuwa |
| 2006 | Asian Championship | 200m individual medley | Men | 3 | 2 | Taishi Okude |
| 2006 | Pan Pacific Championship | 4x100m medley | Men | 2 | 12 | – |
| 2006 | Pan Pacific Championship | 4x100m medley | Women | 2 | 12 | – |
| 2005 | World Championship | 4x100m medley | Men | 3 | 9 | – |
| 2004 | Olympic Games | 4x100m medley | Men | 3 | 18 | – |
| 2003 | World Championship | 4x100m medley | Men | 3 | 9 | – |
| 2002 | Asian Games | 4x100m medley | Men | 1 | 21 | – |
| 2002 | Pan Pacific Championship | 400m individual medley | Women | 3 | 2 | Maiko Fujino |
| 2002 | Asian Games | 400m individual medley | Men | 2 | 4 | Takahiro Mori |
| 2002 | Pan Pacific Championship | 200m individual medley | Women | 1 | 7 | Tomoko Hagiwara |
| 2002 | Pan Pacific Championship | 200m individual medley | Men | 2 | 4 | Takahiro Mori |
| 2002 | Asian Games | 4x100m medley | Women | 2 | 12 | – |
| 2002 | Asian Games | 200m individual medley | Men | 1 | 7 | Takahiro Mori |
| 2002 | Asian Games | 400m individual medley | Men | 3 | 2 | Shinya Taniguchi |
| 2002 | Pan Pacific Championship | 400m individual medley | Men | 3 | 2 | Takahiro Mori |
| 2002 | Asian Games | 200m individual medley | Women | 3 | 2 | Maiko Fujino |
| 2002 | Asian Games | 400m individual medley | Women | 2 | 4 | Maiko Fujino |
| 2002 | Asian Games | 200m individual medley | Men | 2 | 4 | Jiro Miki |
| 2000 | Olympic Games | 4x100m medley | Women | 3 | 18 | – |
| 2000 | Olympic Games | 400m individual medley | Women | 2 | 18 | Yasuko Tajima |
| 1999 | Pan Pacific Championship | 4x100m medley | Men | 3 | 6 | – |
| 1999 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | – |
| 1999 | World Championship 25m | 4x100m medley | Women | 1 | 12 | – |
| 1999 | Pan Pacific Championship | 400m individual medley | Women | 2 | 4 | Yasuko Tajima |
| 1998 | World Championship | 400m individual medley | Women | 3 | 3 | Yasuko Tajima |
| 1998 | World Championship | 4x100m medley | Women | 3 | 9 | – |
| 1998 | Asian Games | 200m individual medley | Men | 2 | 4 | Jo Yoshimi |
| 1998 | Asian Games | 400m individual medley | Women | 1 | 7 | Yasuko Tajima |
| 1998 | Asian Games | 4x100m medley | Women | 1 | 21 | – |
| 1998 | Asian Games | 4x100m medley | Men | 1 | 21 | – |
| 1998 | Asian Games | 400m individual medley | Men | 1 | 7 | Takahiro Mori |
| 1997 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | – |
| 1995 | Pan Pacific Championship | 400m individual medley | Women | 1 | 7 | Fumie Kurotori |
| 1995 | Pan Pacific Championship | 4x100m medley | Men | 3 | 6 | – |
| 1995 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | – |
| 1994 | Asian Games | 4x100m medley | Women | 2 | 12 | – |
| 1994 | Asian Games | 400m individual medley | Men | 3 | 2 | Takahiro Fujimoto |
| 1994 | Asian Games | 200m individual medley | Women | 3 | 2 | Hideko Hiranaka |
| 1994 | Asian Games | 200m individual medley | Men | 3 | 2 | Tatsuya Kinugasa |
| 1994 | Asian Games | 200m individual medley | Women | 2 | 4 | Hitomi Maehara |
| 1994 | Asian Games | 200m individual medley | Men | 2 | 4 | Takahiro Fujimoto |
| 1994 | Asian Games | 400m individual medley | Men | 2 | 4 | Tatsuya Kinugasa |
| 1994 | Asian Games | 400m individual medley | Women | 3 | 2 | Hitomi Maehara |
| 1994 | Asian Games | 4x100m medley | Men | 1 | 21 | – |
| 1993 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | – |
| 1993 | Pan Pacific Championship | 4x100m medley | Men | 3 | 6 | – |
| 1993 | Pan Pacific Championship | 200m individual medley | Women | 2 | 4 | Hitomi Maehara |
| 1991 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | – |
| 1990 | Asian Games | 400m individual medley | Men | 2 | 4 | Shuichi Nakamura |
| 1990 | Asian Games | 200m individual medley | Men | 1 | 7 | Takahiro Fujimoto |
| 1990 | Asian Games | 400m individual medley | Women | 3 | 2 | Fumie Kurotori |
| 1990 | Asian Games | 400m individual medley | Men | 1 | 7 | Takahiro Fujimoto |
| 1990 | Asian Games | 4x100m medley | Women | 2 | 12 | – |
| 1990 | Asian Games | 4x100m medley | Men | 2 | 12 | – |
| 1990 | Asian Games | 200m individual medley | Women | 2 | 4 | Fumie Kurotori |
| 1990 | Asian Games | 200m individual medley | Men | 2 | 4 | Shuichi Nakamura |
| 1986 | Asian Games | 4x100m medley | Men | 1 | 21 | – |
| 1986 | Asian Games | 400m individual medley | Women | 2 | 4 | Naomi Sekido |
| 1986 | Asian Games | 400m individual medley | Men | 2 | 4 | Satoshi Takeda |
| 1986 | Asian Games | 200m individual medley | Women | 1 | 7 | Naomi Sekido |
| 1986 | Asian Games | 200m individual medley | Men | 1 | 7 | Naritoshi Matsuda |
| 1986 | Asian Games | 400m individual medley | Men | 1 | 7 | Naritoshi Matsuda |
| 1986 | Asian Games | 200m individual medley | Men | 3 | 2 | Satoshi Takeda |
| 1986 | Asian Games | 4x100m medley | Women | 1 | 21 | – |
| 1986 | Asian Games | 200m individual medley | Women | 2 | 4 | Hiroyo Harada |
| 1985 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | – |
| 1982 | Asian Games | 200m individual medley | Men | 2 | 4 | Keiichi Ohata |
| 1982 | Asian Games | 200m individual medley | Women | 2 | 4 | Hideka Koshimizu |
| 1982 | Asian Games | 400m individual medley | Men | 3 | 2 | Shinji Ito |
| 1982 | Asian Games | 4x100m medley | Men | 1 | 21 | – |
| 1982 | Asian Games | 400m individual medley | Women | 2 | 4 | Naomi Sekido |
| 1982 | Asian Games | 400m individual medley | Women | 1 | 7 | Hideka Koshimizu |
| 1982 | Asian Games | 400m individual medley | Men | 1 | 7 | Keiichi Ohata |
| 1982 | Asian Games | 200m individual medley | Men | 3 | 2 | Shinji Ito |
| 1982 | Asian Games | 4x100m medley | Women | 1 | 21 | – |
| 1978 | Asian Games | 4x100m medley | Women | 1 | 21 | – |
| 1978 | Asian Games | 200m individual medley | Men | 2 | 4 | Kozo Tatsumi |
| 1978 | Asian Games | 200m individual medley | Women | 2 | 4 | Yuko Imamichi |
| 1978 | Asian Games | 400m individual medley | Men | 2 | 4 | Tsuyoshi Yanagidate |
| 1978 | Asian Games | 200m individual medley | Women | 1 | 7 | Mio Hirata |
| 1978 | Asian Games | 200m individual medley | Men | 1 | 7 | Tsuyoshi Yanagidate |
| 1978 | Asian Games | 4x100m medley | Men | 1 | 21 | – |
| 1978 | Asian Games | 400m individual medley | Women | 2 | 4 | Yuko Imamichi |
| 1978 | Asian Games | 400m individual medley | Women | 1 | 7 | Mio Hirata |
| 1978 | Asian Games | 400m individual medley | Men | 1 | 7 | Kozo Tatsumi |
| 1974 | Asian Games | 4x100m medley | Men | 1 | 21 | – |
| 1974 | Asian Games | 400m individual medley | Men | 1 | 7 | Tsuyoshi Yanagidate |
| 1974 | Asian Games | 4x100m medley | Women | 1 | 21 | – |
| 1974 | Asian Games | 200m individual medley | Men | 2 | 4 | Tsuyoshi Yanagidate |
| 1974 | Asian Games | 200m individual medley | Women | 2 | 4 | Yukari Takemoto |
| 1974 | Asian Games | 400m individual medley | Men | 2 | 4 | Jiro Sasaki |
| 1974 | Asian Games | 200m individual medley | Women | 1 | 7 | Yoshimi Nishigawa |
| 1974 | Asian Games | 200m individual medley | Men | 1 | 7 | Jiro Sasaki |
| 1970 | Asian Games | 200m individual medley | Women | 2 | 4 | Yukari Takemoto |
| 1970 | Asian Games | 400m individual medley | Men | 2 | 4 | Junhachiro Tsutsumi |
| 1970 | Asian Games | 200m individual medley | Women | 1 | 7 | Yoshimi Nishigawa |
| 1970 | Asian Games | 4x100m medley | Men | 1 | 21 | – |
| 1970 | Asian Games | 400m individual medley | Men | 1 | 7 | Toru Udo |
| 1970 | Asian Games | 4x100m medley | Women | 1 | 21 | – |
| 1966 | Asian Games | 4x100m medley | Women | 1 | 21 | – |
| 1966 | Asian Games | 200m individual medley | Women | 1 | 7 | Yasuko Fujii |
| 1966 | Asian Games | 4x100m medley | Men | 1 | 21 | – |
| 1966 | Asian Games | 400m individual medley | Men | 1 | 7 | Shigeo Fukushima |
| 1962 | Asian Games | 4x100m medley | Women | 1 | 21 | – |
| 1962 | Asian Games | 4x100m medley | Men | 1 | 21 | – |
| 1960 | Olympic Games | 4x100m medley | Men | 3 | 18 | – |
| 1958 | Asian Games | 4x100m medley | Men | 1 | 21 | – |