| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Werner, Henry (8)
|
FGMCDA |
16.92 |
16.62 |
-0.30 |
| 2 |
Amador, Joaquin (7)
|
FGMCDA |
19.01 |
17.80 |
-1.21 |
| 3 |
Alvarez, Nicolas V (8)
|
FGNMST |
21.35 |
18.39 |
-2.96 |
| 4 |
Amaral, Leonardo (8)
|
FGMCDA |
18.55 |
19.18 |
0.63 |
| 5 |
Ramos, Samuel N (7)
|
FGSWAT |
|
20.14 |
- |
| 6 |
Sanchez, Julian A (7)
|
FGEA |
|
22.08 |
- |
| 7 |
Porchetto, Enzo (8)
|
FGMCDA |
|
22.24 |
- |
| 8 |
Bello, Frank n (8)
|
FGMBS |
|
22.78 |
- |
| 9 |
Rodriguez, Camilo I (7)
|
FGMCDA |
21.07 |
22.95 |
1.88 |
| 10 |
Jeanbaptiste, Chase R (7)
|
FGOSC |
|
24.15 |
- |
| 11 |
Quintane, Arthur (8)
|
FGMCDA |
|
25.22 |
- |
| 12 |
Yanes, Miguel A (7)
|
FGMS |
28.43 |
25.94 |
-2.49 |
| 13 |
Homstad, Dylan D (8)
|
FGMCDA |
32.07 |
27.33 |
-4.74 |
| 14 |
DE Angulo, Nicholas E (7)
|
FGMS |
|
27.41 |
- |
| 15 |
Mercier, Richard E (7)
|
FGMACM |
|
28.52 |
- |
| 16 |
Duffy, Declan P (8)
|
FGEA |
34.68 |
32.48 |
-2.20 |
|
Aloma, Zeus (8)
|
FGMACM |
|
NS |
- |
|
Burneo, Nicolas A (8)
|
FGRANS |
|
NS |
- |
|
Olivas, Samuel J (8)
|
FGRANS |
31.03 |
NS |
- |