| Swimming |
2009 East Asian Games |
Hong Kong |
 HKG |
1,500 m Freestyle, Men |
🥈 |
 JPN |
|
| Swimming |
2009 East Asian Games |
Hong Kong |
HKG |
800 m Freestyle, Men |
🥇 |
JPN |
|
| Swimming |
2010 Pan Pacific Swimming Championships |
Irvine |
 USA |
800 m Freestyle, Men |
11 |
JPN |
|
| Swimming |
2010 Pan Pacific Swimming Championships |
Irvine |
USA |
1,500 m Freestyle, Men |
13 |
JPN |
|
| Swimming |
2010 Pan Pacific Swimming Championships |
Irvine |
USA |
400 m Freestyle, Men |
21 |
JPN |
|
| Swimming |
2011 World Aquatics Championships |
Shanghai |
 CHN |
1,500 m Freestyle, Men |
8 |
JPN |
|
| Swimming |
2011 World Aquatics Championships |
Shanghai |
CHN |
800 m Freestyle, Men |
14 |
JPN |
|
| Swimming |
2011 Summer Universiade |
Shenzhen |
CHN |
1,500 m Freestyle, Men |
🥈 |
JPN |
|
| Swimming |
2011 Summer Universiade |
Shenzhen |
CHN |
800 m Freestyle, Men |
🥉 |
JPN |
|
| Swimming |
2013 World Aquatics Championships |
Barcelona |
 ESP |
1,500 m Freestyle, Men |
=12 |
JPN |
|
| Open Water Swimming |
2014 Pan Pacific Swimming Championships |
Gold Coast |
 AUS |
10 km, Men |
7 |
JPN |
|
| Open Water Swimming |
2015 World Aquatics Championships |
Kazan |
 RUS |
10 km, Men |
35 |
JPN |
|
| Swimming |
2015 Swim World Cup |
Tokyo |
JPN |
400 m Freestyle, Men |
🥇 |
JPN |
|
| Swimming |
2015 Swim World Cup |
Tokyo |
JPN |
1,500 m Freestyle, Men |
🥉 |
JPN |
|
| Open Water Swimming |
2017 World Aquatics Championships |
Budapest |
 HUN |
4 x 1.25 km Relay, Mixed |
9 |
JPN |
|
| Open Water Swimming |
2017 World Aquatics Championships |
Budapest |
HUN |
25 km, Men |
15 |
JPN |
|
| Open Water Swimming |
2017 World Aquatics Championships |
Budapest |
HUN |
5 km, Men |
34 |
JPN |
|
| Open Water Swimming |
2019 Marathon Swimming World Series |
Setubal |
 POR |
10 km, Men |
🥇 |
JPN |
|