| Name | Event | Round | Place | Time | FINA | |
|---|---|---|---|---|---|---|
| 1 | Joao Nogueira Costa | 100 L Back | Semifinals | 7th | 55.58 | 812 |
| 2 | Joao Nogueira Costa | 100 L Back | Finals | 8th | 55.92 | 797 |
| 3 | Joao Nogueira Costa | 100 L Back | Prelims | 9th | 55.97 | 795 |
| 4 | Joao Nogueira Costa | 50 L Back | Semifinals | 11th | 26.26 | 767 |
| 5 | Joao Nogueira Costa | 50 L Back | Prelims | 10th | 26.32 | 762 |
| 6 | Joao Nogueira Costa | 200 L Back | Semifinals | 14th | 2:02.62 | 760 |
| 7 | Joao Nogueira Costa | 200 L Back | Prelims | 16th | 2:02.64 | 760 |
| 8 | Pedro Miguel Santos | 400 L Free | Prelims | 36th | 4:04.00 | 734 |
| 9 | Tomas Teixeira Lopes | 200 L Free | Prelims | 28th | 1:53.20 | 732 |
| 10 | Pedro Miguel Santos | 1500 L Free | Timed Finals | 18th | 16:11.07 | 722 |
| Name | Event | Round | Place | Time | FINA |
No relays to show |
|---|---|---|---|---|---|---|
| Name | Gold | Silver | Bronze | Score | FINA | |
|---|---|---|---|---|---|---|
| 1 | Joao Nogueira Costa | 0 | 0 | 0 | – | 779.0 |
| 2 | Pedro Miguel Santos | 0 | 0 | 0 | – | 718.3 |
| 3 | Tomas Teixeira Lopes | 0 | 0 | 0 | – | 715.7 |
| 4 | Diogo Santos Cardoso | 0 | 0 | 0 | – | 643.5 |
