| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Arbelo, Tyler A (13)
|
FGSF |
32.48 |
31.77 |
-0.71 |
| 2 |
Nelson, Austin R (13)
|
FGSOFL |
30.51 |
31.86 |
1.35 |
| 3 |
Yaremenko, Alexander (14)
|
FGHAT |
32.88 |
32.47 |
-0.41 |
| 4 |
Hernandez, Adrian G (13)
|
FGSOFL |
33.62 |
32.56 |
-1.06 |
| 5 |
Lewis, Adrian (14)
|
FGAZFL |
35.37 |
33.25 |
-2.12 |
| 6 |
Doyle, Sean R (14)
|
FGSUN |
36.40 |
34.48 |
-1.92 |
| 7 |
Perez, Christian (13)
|
FGPST |
45.74 |
38.32 |
-7.42 |
| 8 |
Porras, Giancarlo G (14)
|
FGAZFL |
46.34 |
38.77 |
-7.57 |
| 9 |
DiCorpo, Vincenzo A (14)
|
FGSF |
44.56 |
41.64 |
-2.92 |
| 10 |
Veeser, Nicholas A (14)
|
FGSOFL |
|
42.19 |
- |
| 11 |
Monestime, Sydney (13)
|
FGSOFL |
|
43.99 |
- |
|
Guevara-Cabrera, Samuel (13)
|
FGSOFL |
|
DQ |
- |
|
Zuniga, Gabriel A (14)
|
FGYSF |
41.07 |
NS |
- |