| # | Swimmer | Team | Seed | Time | Diff |
| 2 |
Viada-Coroba, Carlos A (10)
|
FGCM |
1:11.74 |
1:11.02 |
-0.72 |
| 7 |
Torres-Torres, Axel G (10)
|
FGFFSC |
1:14.90 |
1:14.26 |
-0.64 |
| 13 |
Fernandez-Chung, Lucas (9)
|
FGASC |
1:18.74 |
1:16.70 |
-2.04 |
| 21 |
Longo, Kai (9)
|
FGEA |
1:23.38 |
1:21.30 |
-2.08 |
| 22 |
Bahniuk, Matthew H (9)
|
FGGRSC |
1:25.70 |
1:21.90 |
-3.80 |
| 27 |
Angel, Nathan (10)
|
FGFFSC |
1:25.21 |
1:24.80 |
-0.41 |
| 28 |
Frable, Rafael M (10)
|
FGAKS |
1:29.90 |
1:24.82 |
-5.08 |
| 31 |
Fernandez, Luca V (9)
|
FGEA |
1:28.52 |
1:26.59 |
-1.93 |
| 33 |
Tully, Vincent R (9)
|
FGGRSC |
1:25.24 |
1:27.39 |
2.15 |
| 38 |
Warrington, Daniel (10)
|
FGFKSC |
1:34.32 |
1:31.36 |
-2.96 |
| 42 |
Alvarado, Kendy A (10)
|
FGCM |
1:32.86 |
1:35.63 |
2.77 |
| 44 |
Sosa, Santiago N (7)
|
FGGRSC |
1:47.77 |
1:37.15 |
-10.62 |
| 50 |
Vega, Braison (8)
|
FGASC |
|
1:43.24 |
- |
| 53 |
McPeek, Logan (9)
|
FGAKS |
1:50.01 |
1:50.35 |
0.34 |
| 55 |
Akl, Lucas I (8)
|
FGGRSC |
|
2:09.52 |
- |
|
Caraballo, Nicolas E (8)
|
FGGRSC |
1:45.57 |
NS |
- |
|
Morales, Andres I (10)
|
FGGRSC |
1:42.32 |
NS |
- |