| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Asahi KAWASHIMA | 200 L Breast | Finals | 2:11.81 |
| 2 | Hidekazu TAKEHARA | 200 L Back | Finals | 1:57.00 |
| 3 | Ei KAMIKAWABATA | 400 L IM | Prelims | 4:14.95 |
| 4 | Ei KAMIKAWABATA | 400 L IM | Finals | 4:15.23 |
| 5 | Yamato Okadome | 200 L Breast | Finals | 2:12.19 |
| 6 | HIROYOSHI MIYAKI | 800 L Free | Timed Finals | 7:57.64 |
| 7 | Hidekazu TAKEHARA | 200 L Back | Prelims | 1:58.39 |
| 8 | Riki ABE | 400 L IM | Finals | 4:17.96 |
| 9 | Tomoyuki Matsushita | 200 L IM | Finals | 2:00.64 |
| 10 | Yamato Okadome | 200 L Breast | Prelims | 2:13.77 |
| Name | Gold | Silver | Bronze | Score | FINA | |
|---|---|---|---|---|---|---|
| 1 | Hidekazu TAKEHARA | 1 | 0 | 3 | 15 | 797.0 |
| 2 | Ei KAMIKAWABATA | 1 | 0 | 1 | 15 | 837.0 |
| 3 | Yamato Okadome | 0 | 2 | 3 | 14 | 845.5 |
| 4 | Tomoyuki Matsushita | 0 | 1 | 3 | 13 | 812.0 |
| 5 | Yuta WATANABE | 0 | 0 | 2 | 12 | 795.3 |
