| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Leyva Riestra, Rainier (8)
|
FGBMHG |
38.94 |
38.78 |
-0.16 |
| 2 |
Carmona, Juan Sebastian (8)
|
FGBMHG |
52.69 |
43.13 |
-9.56 |
| 3 |
Casal, Morgan (8)
|
FGBMHG |
41.48 |
43.39 |
1.91 |
| 4 |
Estrada, Ian (8)
|
FGNMST |
41.86 |
43.56 |
1.70 |
| 5 |
Perez, Lester M (8)
|
FGMACM |
57.07 |
47.93 |
-9.14 |
| 6 |
Nery-Martins, Luca (8)
|
FGOSC |
53.32 |
51.94 |
-1.38 |
| 7 |
Alvarez, Nicolas V (8)
|
FGNMST |
|
52.44 |
- |
| 8 |
Alvarez, Roy A (8)
|
FGMACM |
|
56.44 |
- |
| 9 |
Polo, Gianluca (8)
|
FGBMHG |
|
59.93 |
- |
| 10 |
Valdes, Sebastian (8)
|
FGBMHG |
1:05.01 |
1:00.80 |
-4.21 |
| 11 |
Luzardo, Gabriel (8)
|
FGBMHG |
1:04.98 |
1:06.97 |
1.99 |
|
Cancio Jorge, Rafael N (7)
|
FGMACM |
58.26 |
NS |
- |
|
Del Ponte, Gianluca (8)
|
FGOSC |
1:02.65 |
NS |
- |