| Championship | Event | # | Competitors |
|---|---|---|---|
| National Team Youth 2014 | Oceanman/Oceanwoman Relay | 6 |
Japan National Team Youth
() Yuki KATAYAMA, Go KATO, Takaumi MINAGAWA, Hiroya SHIGEOKA |
| National Team Youth 2014 | 4x50m Obstacle Relay | 9 |
Japan National Team Youth
() Go KATO, Takaumi MINAGAWA, Tetsuro NAGAISHI, Hiroya SHIGEOKA |
| National Team Youth 2014 | 4x50m Medley Relay | 11 |
Japan National Team Youth
() Yuki KATAYAMA, Go KATO, Takaumi MINAGAWA, Hiroya SHIGEOKA |
| National Team Youth 2014 | Rescue Tube Rescue | 15 |
Japan National Team Youth
() Yuki KATAYAMA, Go KATO, Takaumi MINAGAWA, Hiroya SHIGEOKA |