| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Ikuma OSAKI | 200 L Breast | Prelims | 2:12.17 |
| 2 | Yu HANAGURUMA | 200 L Breast | Finals | 2:12.28 |
| 3 | Ikuma OSAKI | 200 L Breast | Finals | 2:12.38 |
| 4 | Yuya SAKAMOTO | 200 L Fly | Finals | 1:57.05 |
| 5 | Yu HANAGURUMA | 200 L Breast | Prelims | 2:13.34 |
| 6 | Yuya SAKAMOTO | 200 L Fly | Prelims | 1:58.18 |
| 7 | Shinnosuke ISHIKAWA | 100 L Fly | Semifinals | 52.82 |
| 8 | Shinnosuke ISHIKAWA | 100 L Fly | Finals | 52.84 |
| 9 | Tatsuki SHOIKE | 1500 L Free | Timed Finals | 15:26.01 |
| 10 | Hayata ITO | 100 L Free | Prelims | 49.96 |
| Name | Gold | Silver | Bronze | Score | Pts | |
|---|---|---|---|---|---|---|
| 1 | Yuya SAKAMOTO | 0 | 1 | 0 | – | 771.8 |
| 2 | Yu HANAGURUMA | 0 | 0 | 0 | – | 794.3 |
| 3 | Ikuma OSAKI | 0 | 0 | 0 | – | 792.0 |
| 4 | Hayata ITO | 0 | 0 | 0 | – | 792.0 |
| 5 | Tatsuki SHOIKE | 0 | 0 | 0 | – | 786.3 |
