| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Milian, Jason (10)
|
FGBMHG |
1:22.84 |
1:27.20 |
4.36 |
| 2 |
Beker, Elan (9)
|
FGNMST |
1:29.58 |
1:29.01 |
-0.57 |
| 3 |
Kolobov, Tikhon (10)
|
FGNMST |
1:30.96 |
1:30.99 |
0.03 |
| 4 |
Rodriguez, Marco A (10)
|
FGBMHG |
1:44.26 |
1:35.63 |
-8.63 |
| 5 |
Villar, Ilan W (10)
|
FGCANE |
1:40.51 |
1:36.41 |
-4.10 |
| 6 |
Kramer, Oscar P (9)
|
FGEA |
1:43.15 |
1:45.92 |
2.77 |
| 7 |
Fernandez, Sebastian V (10)
|
FGMACM |
|
1:49.09 |
- |
| 8 |
Moreno, Juan E (10)
|
FGEA |
1:49.90 |
1:49.99 |
0.09 |
| 9 |
O'Malley, Jack (10)
|
FGEA |
1:53.47 |
1:51.26 |
-2.21 |
| 10 |
Garcia, Marcos (10)
|
FGCANE |
1:52.85 |
1:54.56 |
1.71 |
| 11 |
Fernandez, Daniel (10)
|
FGBMHG |
2:02.15 |
1:56.35 |
-5.80 |
| 12 |
Manrique, Isaac E (10)
|
FGMACM |
|
1:58.42 |
- |
| 13 |
Losada Herrera, Lucas (9)
|
FGMACM |
|
1:58.57 |
- |
| 14 |
Carmona, Kai N (10)
|
FGEA |
2:10.15 |
2:29.78 |
19.63 |
|
Menard, Isaiah S (10)
|
FGEA |
|
NS |
- |
|
Palma, Javier M (10)
|
FGMACM |
|
NS |
- |