| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kyser, Landon A (10)
|
FGFG |
31.70 |
30.86 |
-0.84 |
| 2 |
VanKersbergen, Gavin M (9)
|
FLFL |
31.54 |
32.14 |
0.60 |
| 3 |
Cuffe, Jason O (10)
|
FGFG |
32.68 |
33.08 |
0.40 |
| 4 |
Izquierdo, Tres (10)
|
FLFL |
34.26 |
33.16 |
-1.10 |
| 5 |
Murphy, Ronan H (10)
|
FLFL |
33.04 |
33.76 |
0.72 |
| 6 |
Kueffer, Walter K (9)
|
FLFL |
35.88 |
34.12 |
-1.76 |
| 7 |
Colmenares, Javier A (10)
|
FGFG |
34.55 |
34.53 |
-0.02 |
| 8 |
Fabian, Nicholas P (10)
|
FLFL |
34.47 |
34.71 |
0.24 |
| 9 |
Ferguson, Dylan C (10)
|
FGFG |
35.25 |
34.97 |
-0.28 |
| 10 |
Collazo, Erick W (10)
|
FGFG |
35.83 |
35.00 |
-0.83 |
| 11 |
Musa, Farouk (9)
|
FGFG |
34.69 |
35.34 |
0.65 |
| 12 |
Lozano, Jonathan (9)
|
FGFG |
37.07 |
36.32 |
-0.75 |
| 13 |
Sunman, Hayden M (10)
|
FLFL |
36.11 |
37.60 |
1.49 |
|
Williams, Owen N (10)
|
FGFG |
35.81 |
NS |
- |