Subject Analysis
Japan
Career
1962 – 2025
Best year
2018
Total points
802
Best results
2× 1. Olympic Games
All-time rank
#6
10-year rank
#4
Ranking Development
Points distribution
Disciplines
Contests
Categories
| Year | Contest | Discipline | Category | Position | Points | Name |
|---|---|---|---|---|---|---|
| 2018 | Pan Pacific Championship | 200m individual medley | Women | 3 | 2 | Miho Teramura |
| 2002 | Pan Pacific Championship | 400m individual medley | Women | 3 | 2 | Maiko Fujino |
| 2018 | Pan Pacific Championship | 400m individual medley | Women | 3 | 2 | Sakiko Shimizu |
| 1998 | World Championship | 400m individual medley | Women | 3 | 3 | Yasuko Tajima |
| 2019 | World Championship | 400m individual medley | Women | 3 | 3 | Yui Ohashi |
| 2025 | World Championship | 400m individual medley | Women | 3 | 3 | Mio Narita |
| 1985 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | – |
| 1991 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | – |
| 1993 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | – |
| 1995 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | – |
| 1997 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | – |
| 1999 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | – |
| 2010 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | – |
| 2018 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | – |
| 1998 | World Championship | 4x100m medley | Women | 3 | 9 | – |
| 2006 | Asian Championship | 200m individual medley | Women | 3 | 2 | Toshie Abe |
| 2009 | Asian Championship | 200m individual medley | Women | 3 | 2 | Emi Takabatake |
| 2012 | Asian Championship | 200m individual medley | Women | 3 | 2 | Chihiro Igarashi |
| 2009 | Asian Championship | 400m individual medley | Women | 3 | 2 | Emi Takabatake |
| 2016 | Asian Championship | 400m individual medley | Women | 3 | 2 | Yui Ohashi |
| 1994 | Asian Games | 200m individual medley | Women | 3 | 2 | Hideko Hiranaka |
| 2002 | Asian Games | 200m individual medley | Women | 3 | 2 | Maiko Fujino |
| 2006 | Asian Games | 200m individual medley | Women | 3 | 2 | Maiko Fujino |
| 2014 | Asian Games | 200m individual medley | Women | 3 | 2 | Miho Teramura |
| 2018 | Asian Games | 200m individual medley | Women | 3 | 2 | Miho Teramura |
| 1990 | Asian Games | 400m individual medley | Women | 3 | 2 | Fumie Kurotori |
| 1994 | Asian Games | 400m individual medley | Women | 3 | 2 | Hitomi Maehara |
| 2006 | Asian Games | 400m individual medley | Women | 3 | 2 | Maiko Fujino |
| 2018 | Asian Games | 400m individual medley | Women | 3 | 2 | Sakiko Shimizu |
| 2022 | Asian Games | 400m individual medley | Women | 3 | 2 | Mio Narita |
| 2022 | World Championship 25m | 400m individual medley | Women | 3 | 1 | Waka Kobori |
| 2014 | World Championship 25m | 4x100m medley | Women | 3 | 3 | – |
| 2000 | Olympic Games | 4x100m medley | Women | 3 | 18 | – |
| 2012 | Olympic Games | 4x100m medley | Women | 3 | 18 | – |
| 1993 | Pan Pacific Championship | 200m individual medley | Women | 2 | 4 | Hitomi Maehara |
| 1999 | Pan Pacific Championship | 400m individual medley | Women | 2 | 4 | Yasuko Tajima |
| 2006 | Pan Pacific Championship | 4x100m medley | Women | 2 | 12 | – |
| 2016 | Asian Championship | 200m individual medley | Women | 2 | 4 | Runa Imai |
| 2016 | Asian Championship | 400m individual medley | Women | 2 | 4 | Sakiko Shimizu |
| 2025 | Asian Championship | 400m individual medley | Women | 2 | 4 | Koharu Nakazawa |
| 2009 | Asian Championship | 4x100m medley | Women | 2 | 12 | – |
| 2012 | Asian Championship | 4x100m medley | Women | 2 | 12 | – |
| 2025 | Asian Championship | 4x100m medley | Women | 2 | 12 | – |
| 1970 | Asian Games | 200m individual medley | Women | 2 | 4 | Yukari Takemoto |
| 1974 | Asian Games | 200m individual medley | Women | 2 | 4 | Yukari Takemoto |
| 1978 | Asian Games | 200m individual medley | Women | 2 | 4 | Yuko Imamichi |
| 1982 | Asian Games | 200m individual medley | Women | 2 | 4 | Hideka Koshimizu |
| 1986 | Asian Games | 200m individual medley | Women | 2 | 4 | Hiroyo Harada |
| 1990 | Asian Games | 200m individual medley | Women | 2 | 4 | Fumie Kurotori |
| 1994 | Asian Games | 200m individual medley | Women | 2 | 4 | Hitomi Maehara |
| 2006 | Asian Games | 200m individual medley | Women | 2 | 4 | Asami Kitagawa |
| 2014 | Asian Games | 200m individual medley | Women | 2 | 4 | Kanako Watanabe |
| 2018 | Asian Games | 200m individual medley | Women | 2 | 4 | Yui Ohashi |
| 1978 | Asian Games | 400m individual medley | Women | 2 | 4 | Yuko Imamichi |
| 1982 | Asian Games | 400m individual medley | Women | 2 | 4 | Naomi Sekido |
| 1986 | Asian Games | 400m individual medley | Women | 2 | 4 | Naomi Sekido |
| 2002 | Asian Games | 400m individual medley | Women | 2 | 4 | Maiko Fujino |
| 2014 | Asian Games | 400m individual medley | Women | 2 | 4 | Sakiko Shimizu |
| 2022 | Asian Games | 400m individual medley | Women | 2 | 4 | Ageha Tanigawa |
| 1990 | Asian Games | 4x100m medley | Women | 2 | 12 | – |
| 1994 | Asian Games | 4x100m medley | Women | 2 | 12 | – |
| 2002 | Asian Games | 4x100m medley | Women | 2 | 12 | – |
| 2006 | Asian Games | 4x100m medley | Women | 2 | 12 | – |
| 2010 | Asian Games | 4x100m medley | Women | 2 | 12 | – |
| 2018 | World Championship 25m | 100m individual medley | Women | 2 | 2 | Runa Imai |
| 2000 | Olympic Games | 400m individual medley | Women | 2 | 18 | Yasuko Tajima |
| 2015 | World Championship | 200m individual medley | Women | 2 | 6 | Kanako Watanabe |
| 2017 | World Championship | 200m individual medley | Women | 2 | 6 | Yui Ohashi |
| 1966 | Asian Games | 200m individual medley | Women | 1 | 7 | Yasuko Fujii |
| 1970 | Asian Games | 200m individual medley | Women | 1 | 7 | Yoshimi Nishigawa |
| 1974 | Asian Games | 200m individual medley | Women | 1 | 7 | Yoshimi Nishigawa |
| 1978 | Asian Games | 200m individual medley | Women | 1 | 7 | Mio Hirata |
| 1986 | Asian Games | 200m individual medley | Women | 1 | 7 | Naomi Sekido |
| 2016 | Asian Championship | 200m individual medley | Women | 1 | 7 | Yui Ohashi |
| 2025 | Asian Championship | 200m individual medley | Women | 1 | 7 | Mana Ishikawa |
| 1978 | Asian Games | 400m individual medley | Women | 1 | 7 | Mio Hirata |
| 1982 | Asian Games | 400m individual medley | Women | 1 | 7 | Hideka Koshimizu |
| 1998 | Asian Games | 400m individual medley | Women | 1 | 7 | Yasuko Tajima |
| 2018 | Asian Games | 400m individual medley | Women | 1 | 7 | Yui Ohashi |
| 2012 | Asian Championship | 400m individual medley | Women | 1 | 7 | Hiroko Makino |
| 1962 | Asian Games | 4x100m medley | Women | 1 | 21 | – |
| 1966 | Asian Games | 4x100m medley | Women | 1 | 21 | – |
| 1970 | Asian Games | 4x100m medley | Women | 1 | 21 | – |
| 1974 | Asian Games | 4x100m medley | Women | 1 | 21 | – |
| 1978 | Asian Games | 4x100m medley | Women | 1 | 21 | – |
| 1982 | Asian Games | 4x100m medley | Women | 1 | 21 | – |
| 1986 | Asian Games | 4x100m medley | Women | 1 | 21 | – |
| 1998 | Asian Games | 4x100m medley | Women | 1 | 21 | – |
| 2014 | Asian Games | 4x100m medley | Women | 1 | 21 | – |
| 2018 | Asian Games | 4x100m medley | Women | 1 | 21 | – |
| 2022 | Asian Games | 4x100m medley | Women | 1 | 21 | – |
| 2016 | Asian Championship | 4x100m medley | Women | 1 | 21 | – |
| 1999 | World Championship 25m | 4x100m medley | Women | 1 | 12 | – |
| 2020 | Olympic Games | 200m individual medley | Women | 1 | 30 | Yui Ohashi |
| 2020 | Olympic Games | 400m individual medley | Women | 1 | 30 | Yui Ohashi |
| 2002 | Pan Pacific Championship | 200m individual medley | Women | 1 | 7 | Tomoko Hagiwara |
| 2018 | Pan Pacific Championship | 200m individual medley | Women | 1 | 7 | Yui Ohashi |
| 1995 | Pan Pacific Championship | 400m individual medley | Women | 1 | 7 | Fumie Kurotori |
| 2018 | Pan Pacific Championship | 400m individual medley | Women | 1 | 7 | Yui Ohashi |