| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Fernandez-Chung, Lucas N (10)
|
FGMACM |
1:22.42 |
1:25.28 |
2.86 |
| 2 |
De Angulo, Andres A (9)
|
FGMS |
1:35.20 |
1:34.65 |
-0.55 |
| 3 |
Escoto, Alejandro J (10)
|
FGGRSC |
|
1:37.04 |
- |
| 4 |
Kotz-Agramonte, Jake I (10)
|
UNAT |
|
1:37.72 |
- |
| 5 |
Kokidko, Nicolas N (10)
|
UNAT |
|
1:39.21 |
- |
| 6 |
Fanjul, Benjamin G (10)
|
FGCANE |
1:52.02 |
1:39.27 |
-12.75 |
| 7 |
Romeo, Lucas J (9)
|
FGMACM |
1:44.91 |
1:40.01 |
-4.90 |
| 8 |
Fothergill, Liam (9)
|
FGMWA |
1:45.20 |
1:43.08 |
-2.12 |
| 9 |
Martinez, Leonardo * (10)
|
FGMACM |
|
1:45.32 |
- |
| 10 |
Almuina, Brandon * (8)
|
FGMACM |
|
1:46.28 |
- |
| 11 |
Adan, Matthew S (8)
|
FGMACM |
|
1:49.24 |
- |
| 12 |
Adan, Daniel S (9)
|
FGMACM |
|
1:49.26 |
- |
| 13 |
Bravo, Antonio E (10)
|
FGSDST |
2:01.03 |
1:49.96 |
-11.07 |
| 14 |
Musiello, Bernardo P (10)
|
FGGRSC |
1:45.66 |
1:50.43 |
4.77 |
| 15 |
Villar, Ilan W (9)
|
FGCANE |
1:47.99 |
1:50.79 |
2.80 |
| 16 |
Cavani, Emiliano * (10)
|
UNAT |
1:49.69 |
1:52.11 |
2.42 |
| 17 |
Meneses, Matthew L (8)
|
FGMACM |
|
1:54.69 |
- |
| 18 |
Barguez, Jacob A (9)
|
FGMACM |
|
1:55.42 |
- |
| 19 |
Aguirre, Alessandro L (10)
|
FGMS |
|
1:58.92 |
- |
| 20 |
Capote, Alejandro (10)
|
FGMS |
|
1:59.73 |
- |
|
Vinod, Varun (8)
|
FGSDST |
|
2:14.38 |
- |
|
Bass, Alistair J (9)
|
FGSFTL |
|
DQ |
- |
|
Riquenes, Matthew A (8)
|
FGMACM |
|
DQ |
- |
|
Macedo, Eric M (7)
|
FGGRSC |
1:55.68 |
NS |
- |
|
Corrales, Francesco (9)
|
FGSFTL |
|
NS |
- |
|
Dame, Gabriel W (8)
|
FGCANE |
|
NS |
- |
|
Caraballo, Nicolas E (9)
|
FGGRSC |
|
NS |
- |