| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Gonzalez, George G (11)
|
FGMACM |
37.55 |
35.91 |
-1.64 |
| 2 |
Lezcano, Julian M (12)
|
FGMACM |
43.78 |
40.99 |
-2.79 |
| 3 |
Huertas, Andriy A (12)
|
FGMACM |
43.38 |
41.09 |
-2.29 |
| 4 |
Carbonell, Riley R (11)
|
FGMACM |
45.99 |
43.51 |
-2.48 |
| 5 |
Angel, Nathan (11)
|
FGMACM |
|
45.25 |
- |
| 6 |
Tejada, Oliver A (12)
|
FGMACM |
51.95 |
46.94 |
-5.01 |
| 7 |
Alvarez, Robert N (12)
|
FGMACM |
|
48.65 |
- |
| 8 |
Otero, Ayden A (12)
|
FGMACM |
|
49.92 |
- |
| 9 |
Fernandez, Abel A (12)
|
FGMACM |
|
50.64 |
- |
| 10 |
Tappin, Vincent A (11)
|
FGSWAT |
|
51.32 |
- |
| 11 |
Gonzalez, Keven (11)
|
FGMACM |
53.12 |
54.37 |
1.25 |
| 12 |
Blanca, Luis F (11)
|
FGMACM |
|
55.95 |
- |
| 13 |
Chuecos, Andres D (11)
|
FGMACM |
|
1:12.37 |
- |
| 14 |
Garcia, Alex (11)
|
FGMACM |
|
1:14.90 |
- |
|
Paucar, Brandon A (11)
|
FGMACM |
|
1:11.83 |
- |
|
Echeverria, Giancarlo * (11)
|
FGMACM |
|
NS |
- |