| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Daiya SETO | 400 S IM | Finals | 3:59.15 |
| 2 | KAZUYA KANEDA | 200 S Fly | Finals | 1:51.01 |
| 3 | AKIHIRO YAMAGUCHI | 200 S Breast | Finals | 2:03.23 |
| 4 | AKIHIRO YAMAGUCHI | 200 S Breast | Prelims | 2:03.57 |
| 5 | Daiya SETO | 200 S IM | Finals | 1:52.80 |
| 6 | Yukihiro TAKAHASHI | 200 S Breast | Finals | 2:04.92 |
| 7 | Yukihiro TAKAHASHI | 200 S Breast | Prelims | 2:04.93 |
| 8 | YOHEI TAKIGUCHI | 1500 S Free | Timed Finals | 14:40.16 |
| 9 | Kosuke HAGINO | 200 S IM | Finals | 1:54.08 |
| 10 | Kosuke HAGINO | 400 S IM | Finals | 4:04.13 |
| Name | Gold | Silver | Bronze | Score | FINA | |
|---|---|---|---|---|---|---|
| 1 | Daiya SETO | 1 | 1 | 0 | – | 919.3 |
| 2 | KAZUYA KANEDA | 1 | 0 | 0 | – | 904.5 |
| 3 | Yukihiro TAKAHASHI | 0 | 0 | 0 | – | 901.0 |
| 4 | Kohei YAMAMOTO | 0 | 0 | 0 | – | 889.0 |
| 5 | Kosuke HAGINO | 0 | 0 | 0 | – | 879.6 |
