| Name | Event | Round | Place | Time | FINA | ||
|---|---|---|---|---|---|---|---|
| 1 | Sun Woo HWANG | 200 S Free | Finals | 1st | 1:39.72 | 990 | |
| 2 | Sun Woo HWANG | 200 S Free | Finals | – | 1:40.99 | R | 953 |
| 3 | Sun Woo HWANG | 200 S Free | Prelims | – | 1:41.97 | R | 925 |
| 4 | Sun Woo HWANG | 200 S Free | Prelims | 8th | 1:42.44 | 913 | |
| 5 | Woomin KIM | 400 S Free | Prelims | 9th | 3:38.86 | 912 | |
| 6 | Sun Woo HWANG | 100 S Free | Prelims | 6th | 46.36 | 905 | |
| 7 | Sun Woo HWANG | 100 S Free | Semifinals | 9th | 46.41 | 902 | |
| 8 | Woomin KIM | 1500 S Free | Timed Finals | 9th | 14:45.35 | 875 | |
| 9 | Woomin KIM | 800 S Free | Timed Finals | 12th | 7:45.29 | 866 | |
| 10 | Jaehoon YANG | 50 S Free | Prelims | 32nd | 21.54 | 820 | |
| 11 | Jaehoon YANG | 100 S Fly | Prelims | 24th | 51.36 | 805 | |
