| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | IPPEI WATANABE | 200 L Breast | Finals | 2:09.41 |
| 2 | Tomoru HONDA | 200 L Fly | Finals | 1:54.22 |
| 3 | Tomoyuki Matsushita | 400 L IM | Finals | 4:12.53 |
| 4 | Katsuhiro MATSUMOTO | 100 L Free | Finals | 48.61 |
| 5 | Katsuhiro MATSUMOTO | 100 L Fly | Finals | 51.40 |
| 6 | Riku YAMAGUCHI | 400 L IM | Finals | 4:13.51 |
| 7 | Reona AOKI | 100 L Breast | Finals | 1:07.04 |
| 8 | Katsuhiro MATSUMOTO | 100 L Free | Prelims | 49.16 |
| 9 | Tomoru HONDA | 100 L Fly | Finals | 51.89 |
| 10 | Tomoyuki Matsushita | 200 L IM | Finals | 1:59.64 |
| Name | Event | Round | Time |
No relays to show |
|---|---|---|---|---|
| Name | Gold | Silver | Bronze | Score | FINA | |
|---|---|---|---|---|---|---|
| 1 | RYO NAKAMITSU | 0 | 0 | 0 | 9863 | 766.0 |
| 2 | Riku YAMAGUCHI | 0 | 1 | 0 | 9845 | 819.8 |
| 3 | IPPEI WATANABE | 0 | 1 | 0 | 8910 | 838.8 |
| 4 | Hiroko MAKINO | 0 | 0 | 0 | 8800 | 805.8 |
| 5 | Katsuhiro MATSUMOTO | 1 | 2 | 0 | 7860 | 881.7 |
