| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Werner, Henry (8)
|
FGMCDA |
24.89 |
26.79 |
1.90 |
| 2 |
Amaral, Leonardo (8)
|
FGMCDA |
27.32 |
27.76 |
0.44 |
| 3 |
Amador, Joaquin (7)
|
FGMCDA |
29.49 |
28.24 |
-1.25 |
| 4 |
Bello, Frank n (8)
|
FGMBS |
|
30.39 |
- |
| 5 |
Alvarez, Nicolas V (8)
|
FGNMST |
32.86 |
31.19 |
-1.67 |
| 6 |
Porchetto, Enzo (8)
|
FGMCDA |
|
32.04 |
- |
| 7 |
Rodriguez, Camilo I (7)
|
FGMCDA |
29.87 |
33.37 |
3.50 |
| 8 |
DE Angulo, Nicholas E (7)
|
FGMS |
|
33.78 |
- |
| 9 |
Rivas Perez, Axel N (7)
|
FGMACM |
|
34.72 |
- |
| 10 |
Quintane, Arthur (8)
|
FGMCDA |
|
34.80 |
- |
| 11 |
Yanes, Miguel A (7)
|
FGMS |
40.22 |
37.40 |
-2.82 |
| 12 |
Jeanbaptiste, Chase R (7)
|
FGOSC |
|
38.57 |
- |
| 13 |
Sanchez, Julian A (7)
|
FGEA |
|
40.30 |
- |
| 14 |
Mercier, Richard E (7)
|
FGMACM |
|
41.39 |
- |
| 15 |
Homstad, Dylan D (8)
|
FGMCDA |
|
43.32 |
- |
| 16 |
Duffy, Declan P (8)
|
FGEA |
|
51.93 |
- |
|
Beitinjaneh, Sami M (7)
|
FGMCDA |
|
NS |
- |
|
Aloma, Zeus (8)
|
FGMACM |
|
NS |
- |
|
Macedo, Eric M (8)
|
FGGRSC |
40.42 |
NS |
- |
|
Olivas, Samuel J (8)
|
FGRANS |
|
NS |
- |