| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Bertea, Armando (10)
|
FGSWAT |
|
20.23 |
- |
| 2 |
Ruiz, Jesus F (9)
|
FGSDST |
26.85 |
21.55 |
-5.30 |
| 3 |
Tejada, Oliver A (10)
|
FGSDST |
|
21.82 |
- |
| 4 |
Romankiv, Askold (10)
|
FGSGST |
|
22.41 |
- |
| 5 |
Pelaez, Nicholas (10)
|
FGSWAT |
|
22.47 |
- |
| 6 |
Mastropasquia, Alessandro (10)
|
FGUN |
|
22.90 |
- |
| 7 |
Agarwal, Ishaan (9)
|
FGGRSC |
|
23.05 |
- |
| 8 |
Sparling, Benjamin (10)
|
FGSGST |
|
23.48 |
- |
| 9 |
Gonzalez, Michael A (9)
|
FGGRSC |
|
24.22 |
- |
| 10 |
Gonzalez, Lucas I (9)
|
FGUN |
|
25.94 |
- |
| 11 |
Tang, Jason (9)
|
FGSGST |
|
26.04 |
- |
|
Sotomayor, Matthew C (10)
|
FGGRSC |
|
DQ |
- |
|
Pereira-Ramallo, Thomas (10)
|
FGSWAT |
|
NS |
- |