| Name | Event | Round | Place | Time | Imp | FINA | |
|---|---|---|---|---|---|---|---|
| 1 | Ioane Bourny | 50 L Back | Prelims | 12th | 29.01 | – | 569 |
| 2 | Ioane Bourny | 100 L Back | Prelims | 7th | 1:02.51 | – | 571 |
| 3 | Mathys Hipp-Dinane | 50 L Free | Prelims | 21st | 25.61 | – | 544 |
| 4 | Mathys Hipp-Dinane | 50 L Breast | Prelims | 19th | 33.47 | – | 466 |
| 5 | Mathis Lomon | 50 L Breast | Prelims | 3rd | 30.32 | – | 627 |
| 6 | Mathis Lomon | 100 L Breast | Prelims | 2nd | 1:07.58 | – | 604 |
| 7 | Lucas Batrin | 100 L Fly | Prelims | 17th | 1:01.64 | – | 528 |
| 8 | Ioane Bourny | 400 L Free | Timed Finals | 9th | 4:18.77 | – | 615 |
| 9 | Mathis Lomon | 200 L Breast | Prelims | 5th | 2:29.71 | – | 606 |
| 10 | Nicolas Beauzor | 200 L Back | Finals | 3rd | 2:16.49 | – | 551 |
