| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Moya, Kevin (12)
|
FGSOFL |
34.71 |
34.68 |
-0.03 |
| 2 |
Osorio, Alejandro (11)
|
FGAZFL |
40.94 |
37.14 |
-3.80 |
| 3 |
Orjuela, Juan A (12)
|
FGAZFL |
42.99 |
38.44 |
-4.55 |
| 4 |
Ekanayake, Hashan L (12)
|
FGSOFL |
38.26 |
38.77 |
0.51 |
| 5 |
Mazzi, Alessio F (12)
|
FGSOFL |
41.28 |
38.85 |
-2.43 |
| 6 |
Kazar, Michael P (11)
|
FGAZFL |
41.99 |
41.24 |
-0.75 |
| 7 |
Gonzalez, Felix A (12)
|
FGUSOF |
42.04 |
42.76 |
0.72 |
| 8 |
Corrieri, Adriano (11)
|
FGAZFL |
|
43.01 |
- |
| 9 |
Jimenez, Matthew (11)
|
FGSOFL |
41.42 |
44.36 |
2.94 |
| 10 |
Pereira-Ramallo, Thomas (12)
|
FGSOFL |
48.30 |
45.13 |
-3.17 |
| 11 |
Jimenez, Mason (11)
|
FGSOFL |
43.52 |
46.44 |
2.92 |
| 12 |
Proenza, Jordan (12)
|
FGSWAT |
|
51.67 |
- |
| 13 |
Kolotov, Konstantin (11)
|
FLMSAT |
|
54.94 |
- |
| 14 |
Serhiienko, Vladyslav (11)
|
FLMSAT |
|
1:03.58 |
- |
|
Horwitz, Dylan (11)
|
FGAZFL |
|
NS |
- |
|
McVeigh, Matt R (11)
|
FGSOFL |
45.05 |
NS |
- |