| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Colton, Trace (8)
|
FGNPB |
1:30.75 |
1:27.98 |
-2.77 |
| 2 |
Nelson, Alexander J (10)
|
FGNPB |
1:41.92 |
1:31.22 |
-10.70 |
| 3 |
Bass, Alistair J (9)
|
FGSFTL |
|
1:32.83 |
- |
| 4 |
Escoto, Alejandro J (10)
|
FGGRSC |
1:37.04 |
1:36.82 |
-0.22 |
| 5 |
Schultz, Zachary D (10)
|
FGSUN |
1:45.26 |
1:46.81 |
1.55 |
| 6 |
Rodriguez, Christian A (9)
|
FGSUN |
|
1:50.38 |
- |
| 7 |
Christensen, Preston R (9)
|
FGSOFL |
1:54.29 |
1:51.30 |
-2.99 |
| 8 |
Musiello, Bernardo P (10)
|
FGGRSC |
1:45.66 |
1:53.90 |
8.24 |
| 9 |
Corrales, Francesco (9)
|
FGSFTL |
|
1:55.02 |
- |
| 10 |
Bagnuoli, Lorenzo (9)
|
FGSOFL |
|
2:00.04 |
- |
| 11 |
Valdiviezo, David E (9)
|
FGSF |
2:34.30 |
2:00.76 |
-33.54 |
| 12 |
Carrera, Zacchaeus J (9)
|
FGSF |
1:58.36 |
2:05.63 |
7.27 |
| 13 |
Munoz, Damaso M (8)
|
FGSF |
|
2:19.90 |
- |
| 14 |
Hartley, Everett S (10)
|
FGNPB |
2:25.02 |
2:28.66 |
3.64 |
| 15 |
Forgione, Luigi (10)
|
FGAZFL |
|
2:29.19 |
- |
|
Harries, Ryan T (10)
|
FGSOFL |
1:40.08 |
DQ |
- |
|
Ella, Daniel G (10)
|
FGSUN |
1:32.76 |
NS |
- |
|
Lopez, Nicolas R (10)
|
FGPST |
|
NS |
- |