| Name | Event | Round | Time | Imp | |
|---|---|---|---|---|---|
| 1 | Alex Villaecija Garcia | 100 L Free | Prelims | 50.66 | – |
| 2 | Marcos Rivera Miranda | 800 L Free | Prelims | 7:49.09 | – |
| 3 | Marcos Rivera Miranda | 1500 L Free | Prelims | 14:57.47 | – |
| 4 | Juan RANDO | 50 L Back | Prelims | 24.77 | +6.9% |
| 5 | ASCHWIN WILDEBOER FABER | 50 L Back | Prelims | 24.50 | +4.3% |
| 6 | ASCHWIN WILDEBOER FABER | 100 L Back | Semifinals | 52.76 | – |
| 7 | Rufino REGUEIRA | 200 L Back | Prelims | 2:00.35 | – |
| 8 | ASCHWIN WILDEBOER FABER | 200 L Back | Prelims | 1:57.15 | – |
| 9 | Melquides Alvarez Caraballo | 100 L Breast | Prelims | 1:01.07 | – |
| 10 | Rafael MUNOZ | 50 L Fly | Prelims | 22.90 | – |
