| Championship | Event | # | Competitor |
|---|---|---|---|
| National Team Open 2000 | Board Race | 8 |
Chitose IWANAMI - Japan National Team (JPN) |
| National Team Open 1994 | Surf Ski Race | 5 |
Chitose IWANAMI - Japan National Team (JPN) |
| National Team Open 1994 | 2km Beach Run | 4 |
Chitose IWANAMI - Japan National Team (JPN) |