| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Miguel Marcos Bargueño | 1650 Y Free | Timed Finals | 15:21.52 |
| 2 | Fedor Sokolov | 100 Y Breast | Prelims | 53.88 |
| 3 | Gabriel Vereza Costa | 500 Y Free | Prelims | 4:28.92 |
| 4 | MICHELE ORRU’ | 500 Y Free | Prelims | 4:30.70 |
| 5 | Gabriel Vereza Costa | 500 Y Free | Finals | 4:30.96 |
| 6 | Max Sundberg | 500 Y Free | Finals | 4:31.22 |
| 7 | Max Sundberg | 500 Y Free | Prelims | 4:31.57 |
| 8 | Daniel Mizera | 500 Y Free | Prelims | 4:31.77 |
| 9 | Daniel Mizera | 500 Y Free | Finals | 4:32.12 |
| 10 | Ethan Hathcock | 500 Y Free | Finals | 4:33.06 |
| 11 | Gabriel Vereza Costa | 200 Y Free | Prelims | 1:39.04 |
| 12 | Gabriel Vereza Costa | 200 Y Free | Finals | 1:39.07 |
| 13 | Ethan Hathcock | 200 Y Free | Finals | 1:39.09 |
| 14 | Ethan Hathcock | 200 Y Free | Prelims | 1:39.14 |
| 15 | Daniel Mizera | 1000 Y Free | Timed Finals | 9:31.83 |
| 16 | Frederik Moeller | 200 Y Fly | Timed Finals | 1:48.46 |
| 17 | Frederik Moeller | 200 Y Fly | Finals | 1:48.55 |
| 18 | Ethan Hathcock | 500 Y Free | Prelims | 4:35.70 |
| 19 | Frederik Moeller | 200 Y Fly | Prelims | 1:48.60 |
| 20 | MICHELE ORRU’ | 500 Y Free | Finals | 4:36.77 |
| 21 | Bennett Broad | 200 Y Free | Finals | 1:40.24 |
| 22 | Bennett Broad | 200 Y Free | Prelims | 1:40.50 |
| 23 | Noah Sadler | 100 Y Breast | Finals | 55.91 |
| 24 | Bozo Puhalovic | 200 Y Free | Timed Finals | 1:40.79 |
| 25 | MICHELE ORRU’ | 1000 Y Free | Timed Finals | 9:38.89 |
| 26 | Bozo Puhalovic | 100 Y Free | Prelims | 45.04 |
| 27 | Noah Sadler | 100 Y Breast | Prelims | 56.13 |
| 28 | Garrett Butner | 100 Y Breast | Finals | 56.18 |
| 29 | Martin Racek | 100 Y Breast | Prelims | 56.42 |
| 30 | Garrett Butner | 100 Y Breast | Prelims | 56.45 |
