| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Cabrera Duarte, Marco M (18)
|
FGSOFL |
29.01 |
28.75 |
-0.26 |
| 2 |
Jimenez, Jaime (19)
|
ZZACDA |
28.62 |
29.16 |
0.54 |
| 3 |
Parnell, Cole A (17)
|
FLPA |
28.41 |
30.19 |
1.78 |
| 4 |
Moncada, Jhon E (18)
|
FLPA |
30.60 |
30.44 |
-0.16 |
| 5 |
Malecki, Aaron P (17)
|
FLPA |
31.01 |
30.45 |
-0.56 |
| 6 |
Feldmeyer, Wesley B (18)
|
OHCFY |
31.97 |
30.90 |
-1.07 |
| 7 |
Guitian, Alexander J (18)
|
FLPA |
33.52 |
31.26 |
-2.26 |
| 8 |
Rivero, Osmany (17)
|
FGLLL |
31.47 |
31.75 |
0.28 |
| 9 |
Marquez, Alex S (17)
|
FGPOMP |
30.97 |
32.10 |
1.13 |
| 10 |
Downey, Caleb E (19)
|
FGPST |
32.15 |
32.48 |
0.33 |
| 11 |
Phillippe, Michael T (17)
|
OHCFY |
34.54 |
33.44 |
-1.10 |
| 12 |
Stone, Gabriel D (17)
|
OHCFY |
35.80 |
36.36 |
0.56 |
| 13 |
Parsotan, Veejay S (17)
|
FGPST |
39.03 |
38.45 |
-0.58 |