| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Riku YAMAGUCHI | 400 L IM | Finals | 4:14.88 |
| 2 | Riku YAMAGUCHI | 400 L IM | Prelims | 4:16.26 |
| 3 | Asahi KAWASHIMA | 200 L Breast | Finals | 2:12.61 |
| 4 | Hidekazu TAKEHARA | 200 L Back | Finals | 1:58.22 |
| 5 | Tomoyuki Matsushita | 200 L IM | Finals | 2:00.89 |
| 6 | Hidekazu TAKEHARA | 200 L Back | Prelims | 1:59.07 |
| 7 | Yuta WATANABE | 200 L IM | Finals | 2:01.39 |
| 8 | Riku YAMAGUCHI | 1500 L Free | Timed Finals | 15:29.54 |
| 9 | Ei KAMIKAWABATA | 200 L Fly | Finals | 1:58.37 |
| 10 | Asahi KAWASHIMA | 200 L Breast | Prelims | 2:14.80 |
| Name | Gold | Silver | Bronze | Score | FINA | |
|---|---|---|---|---|---|---|
| 1 | Asahi KAWASHIMA | 1 | 0 | 0 | – | 860.0 |
| 2 | Riku YAMAGUCHI | 1 | 0 | 0 | – | 837.0 |
| 3 | Hidekazu TAKEHARA | 0 | 1 | 0 | – | 823.3 |
| 4 | Tomoyuki Matsushita | 0 | 1 | 0 | – | 802.3 |
| 5 | Ei KAMIKAWABATA | 0 | 0 | 1 | – | 819.0 |
