| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Barreto, Joshua (11)
|
UNAT |
1:31.35 |
1:30.78 |
-0.57 |
| 2 |
Kauefate, Jorge (12)
|
FGSDST |
1:38.33 |
1:32.47 |
-5.86 |
| 3 |
Carbonell, Riley R (11)
|
FGMACM |
1:35.86 |
1:33.65 |
-2.21 |
| 4 |
Ruiz, Jesus F (11)
|
FGSDST |
1:43.94 |
1:36.21 |
-7.73 |
| 5 |
Tejada, Oliver A (12)
|
FGMACM |
1:53.22 |
1:36.85 |
-16.37 |
| 6 |
Angel, Nathan (11)
|
FGMACM |
1:43.30 |
1:41.10 |
-2.20 |
| 7 |
Cheng, Jason Y (12)
|
FGGRSC |
1:57.76 |
1:47.30 |
-10.46 |
| 8 |
Gonzalez, Lucas I (11)
|
FGMACM |
1:57.51 |
1:50.32 |
-7.19 |
| 9 |
Gardner, Patrick C (12)
|
FGGRSC |
1:52.64 |
1:50.41 |
-2.23 |
| 10 |
Agarwal, Ishaan (11)
|
FGGRSC |
2:03.08 |
1:55.28 |
-7.80 |
| 11 |
Juodzevicius, Joel B (12)
|
UNAT |
|
2:00.87 |
- |
| 12 |
Villavicencio, Samuel E (12)
|
FGGRSC |
2:51.66 |
2:02.12 |
-49.54 |
| 13 |
Gonzalez, Michael A (11)
|
FGGRSC |
2:04.33 |
2:06.44 |
2.11 |
| 14 |
Torres, Jose A (11)
|
FGSFTL |
|
2:06.53 |
- |
| 15 |
Tovar, Sebastian R (11)
|
FGGRSC |
2:08.60 |
2:10.97 |
2.37 |
| 16 |
Fonseca, Ian J (12)
|
FGAJSC |
|
3:03.31 |
- |
|
Tong, Alexander K (12)
|
FGRANS |
|
DQ |
- |
|
Wilson, Nicholas J (11)
|
FGCANE |
|
NS |
- |
|
Dame, Jarrid W (11)
|
FGCANE |
2:12.11 |
NS |
- |
|
Guio, Sebastian (11)
|
FGMWA |
1:28.43 |
NS |
- |
|
Park, Aiden (12)
|
FGMWA |
|
NS |
- |