| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Sarmiento, Juan E (13)
|
FGPST |
37.80 |
36.45 |
-1.35 |
| 2 |
Hardin, Kolby J (13)
|
FGPOMP |
38.28 |
36.49 |
-1.79 |
| 3 |
Fernandez, Sebastian (14)
|
FGYSF |
37.25 |
36.89 |
-0.36 |
| 4 |
Garrido, Carlos A (14)
|
FGYSF |
35.98 |
37.28 |
1.30 |
| 5 |
Doyle, Sean R (14)
|
FGSUN |
42.02 |
37.84 |
-4.18 |
| 6 |
Fediushko, Roman (13)
|
FGSFTL |
42.06 |
38.07 |
-3.99 |
| 7 |
Quintero, Ian A (14)
|
FGTSA |
36.12 |
38.40 |
2.28 |
| 8 |
Smith, Joshua L (13)
|
FGHAT |
41.71 |
38.50 |
-3.21 |
| 9 |
Arbelo, Tyler A (13)
|
FGSF |
|
39.98 |
- |
| 10 |
Etchevers, Frank M (13)
|
FGCSSC |
43.19 |
40.54 |
-2.65 |
| 11 |
Green, Elliott N (14)
|
FGPOMP |
45.03 |
41.18 |
-3.85 |
| 12 |
Hernaiz, Santiago (13)
|
FGYSF |
|
41.36 |
- |
| 13 |
Perez, Christian (14)
|
FGPST |
41.99 |
42.64 |
0.65 |
| 14 |
Joseph, Brian C (14)
|
FGCCPR |
46.62 |
43.17 |
-3.45 |
| 15 |
NG, Evan (13)
|
FGCSSC |
46.96 |
43.69 |
-3.27 |
| 16 |
Castiblanco, Miguel A (13)
|
FGPST |
49.74 |
47.31 |
-2.43 |
| 17 |
Wampler, Brady A (13)
|
FGPST |
51.44 |
48.01 |
-3.43 |
| 18 |
Hardin, Bryce G (13)
|
FGPOMP |
50.90 |
48.59 |
-2.31 |
| 19 |
Porras, Andre A (13)
|
FGAZFL |
54.62 |
53.84 |
-0.78 |
|
Korkis, Ben P (13)
|
FGCSSC |
58.96 |
NS |
- |
|
Peacock, Alex (14)
|
FGYSF |
|
NS |
- |