Slalom
| Name(J) | Name | Buoys | Speed | Rope | Div | Date | Competition | Rnd |
| 山口 隆太 | RYUTA YAMAGUCHI | 1.5 | 46 km/h | 18.25 m | U-17M | 10/10/2016 | 2016 Japan Nationals | 1 |
| 山口 隆太 | RYUTA YAMAGUCHI | 3.0 | 55 km/h | 18.25 m | U-17M | 18/09/2017 | 2017 Japan Nationals | 2 |
Trick
| Name(J) | Name | Points | Div | Date | Competition | Rnd |
| 山口 隆太 | RYUTA YAMAGUCHI | 1250 | U-17M | 10/10/2016 | 2016 Japan Nationals | 1 |
| 山口 隆太 | RYUTA YAMAGUCHI | 2150 | U-17M | 18/09/2017 | 2017 Japan Nationals | 2 |