| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ortiz, Karvin Jay (12)
|
FGAZFL |
35.58 |
33.32 |
-2.26 |
| 2 |
Osorio, Alejandro (11)
|
FGAZFL |
34.44 |
33.45 |
-0.99 |
| 3 |
Penaloza, Abraham G (11)
|
FGYSF |
35.52 |
34.34 |
-1.18 |
| 4 |
Gonzalez, Felix A (12)
|
FGYSF |
35.98 |
34.64 |
-1.34 |
| 5 |
Gianfriddo, Giovanni C (11)
|
FGSUN |
36.37 |
35.02 |
-1.35 |
| 6 |
Ostamendy, Felix (11)
|
FGESC |
35.57 |
35.20 |
-0.37 |
| 7 |
Kazar, Michael P (11)
|
FGAZFL |
35.82 |
35.32 |
-0.50 |
| 8 |
Pelaez, Nicholas (12)
|
FGSOFL |
34.74 |
35.42 |
0.68 |
| 9 |
Corrales, Renato (11)
|
FGSFTL |
39.30 |
35.86 |
-3.44 |
| 10 |
Silva, John Brendon O (12)
|
FGWASC |
34.38 |
36.24 |
1.86 |
| 11 |
Etchevers, Frank M (12)
|
FGCSSC |
37.13 |
38.11 |
0.98 |
| 11 |
Martinez, Reinaldo (12)
|
FGSFTL |
36.31 |
38.11 |
1.80 |
| 13 |
Reddick, Elijah Z (11)
|
FGSFTL |
41.25 |
39.17 |
-2.08 |
| 14 |
Hershey, Vincent P (11)
|
FGSF |
38.11 |
39.62 |
1.51 |
| 15 |
Chang, Noah S (12)
|
FGSF |
43.39 |
40.87 |
-2.52 |
| 16 |
Pereira-Ramallo, Thomas (12)
|
FGSOFL |
41.66 |
41.10 |
-0.56 |
| 17 |
Porras, Andre A (12)
|
FGAZFL |
42.84 |
44.32 |
1.48 |
| 18 |
Wampler, Brady A (12)
|
FGPST |
|
44.55 |
- |
| 19 |
Sauvage, Oliver (11)
|
FGSFTL |
47.29 |
45.29 |
-2.00 |
| 20 |
Corrieri, Adriano (11)
|
FGAZFL |
42.60 |
45.30 |
2.70 |
| 21 |
Torres, Jose A (11)
|
FGSFTL |
45.90 |
45.64 |
-0.26 |
| 22 |
Thomas, David R (11)
|
FGSF |
|
46.46 |
- |
| 23 |
Timeus, Uriel (11)
|
FGTSA |
53.87 |
47.11 |
-6.76 |
| 24 |
Brinkworth, Daniel J (11)
|
FGHAFL |
48.00 |
47.81 |
-0.19 |
| 25 |
Agudelo, Camilo (12)
|
FGSFTL |
51.04 |
48.13 |
-2.91 |
|
Ross, Maverick B (11)
|
FGPST |
|
DQ |
- |
|
Kostelidis, Nicolas * (11)
|
FGWASC |
57.39 |
NS |
- |