| Swimming |
2001 World Aquatics Championships |
Fukuoka |
 JPN |
1,500 m Freestyle, Women |
17 |
JPN |
|
| Swimming |
2001 World Aquatics Championships |
Fukuoka |
JPN |
800 m Freestyle, Women |
15 |
JPN |
|
| Swimming |
2005 Swim World Cup |
Moskva |
 RUS |
800 m Freestyle, Women |
🥈 |
JPN |
|
| Swimming |
2005 World Aquatics Championships |
Montréal |
 CAN |
1,500 m Freestyle, Women |
8 |
JPN |
|
| Swimming |
2005 East Asian Games |
Macau |
 MAC |
4 x 200 m Freestyle Relay, Women |
🥉 |
JPN |
|
| Swimming |
2005 East Asian Games |
Macau |
MAC |
1,500 m Freestyle, Women |
🥉 |
JPN |
|
| Swimming |
2009 Summer Universiade |
Beograd |
 SRB |
1,500 m Freestyle, Women |
🥇 |
JPN |
|
| Swimming |
2009 Summer Universiade |
Beograd |
SRB |
800 m Freestyle, Women |
🥈 |
JPN |
|
| Swimming |
2010 Pan Pacific Swimming Championships |
Irvine |
 USA |
800 m Freestyle, Women |
10 |
JPN |
|
| Swimming |
2010 Pan Pacific Swimming Championships |
Irvine |
USA |
400 m Freestyle, Women |
13 |
JPN |
|
| Swimming |
2010 Pan Pacific Swimming Championships |
Irvine |
USA |
1,500 m Freestyle, Women |
7 |
JPN |
|
| Open Water Swimming |
2010 Pan Pacific Swimming Championships |
Irvine |
USA |
10 km, Women |
8 |
JPN |
|
| Swimming |
2010 Swim World Cup |
Beijing |
 CHN |
800 m Freestyle, Women |
🥈 |
JPN |
|
| Swimming |
2010 Swim World Cup |
Singapore |
 SGP |
800 m Freestyle, Women |
🥈 |
JPN |
|
| Swimming |
2010 Swim World Cup |
Singapore |
SGP |
400 m Freestyle, Women |
🥉 |
JPN |
|
| Swimming |
2010 Swim World Cup |
Tokyo |
JPN |
800 m Freestyle, Women |
🥉 |
JPN |
|
| Swimming |
2010 Swim World Cup |
Tokyo |
JPN |
400 m Freestyle, Women |
🥉 |
JPN |
|
| Open Water Swimming |
2011 World Aquatics Championships |
Shanghai |
CHN |
10 km, Women |
35 |
JPN |
|
| Open Water Swimming |
2011 World Aquatics Championships |
Shanghai |
CHN |
5 km, Women |
DQ |
JPN |
|
| Open Water Swimming |
2013 World Aquatics Championships |
Barcelona |
 ESP |
5 km, Team, Mixed |
13 |
JPN |
|
| Open Water Swimming |
2013 World Aquatics Championships |
Barcelona |
ESP |
10 km, Women |
=13 |
JPN |
|
| Open Water Swimming |
2013 World Aquatics Championships |
Barcelona |
ESP |
25 km, Women |
8 |
JPN |
|
| Open Water Swimming |
2014 Pan Pacific Swimming Championships |
Gold Coast |
 AUS |
10 km, Women |
5 |
JPN |
|
| Open Water Swimming |
2015 10 km World Cup |
Setubal |
 POR |
10 km, Women |
🥈 |
JPN |
|
| Open Water Swimming |
2015 World Aquatics Championships |
Kazan |
RUS |
10 km, Women |
28 |
JPN |
|
| Open Water Swimming |
2017 World Aquatics Championships |
Budapest |
 HUN |
25 km, Women |
15 |
JPN |
|
| Open Water Swimming |
2017 World Aquatics Championships |
Budapest |
HUN |
10 km, Women |
23 |
JPN |
|
| Open Water Swimming |
2018 Pan Pacific Swimming Championships |
Tokyo |
JPN |
10 km, Women |
7 |
JPN |
|
| Open Water Swimming |
2019 World Aquatics Championships |
Gwangju |
 KOR |
4 x 1.25 km Relay, Mixed |
14 |
JPN |
|
| Open Water Swimming |
2019 World Aquatics Championships |
Gwangju |
KOR |
10 km, Women |
22 |
JPN |
|