| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Tineo, Oliver P (12)
|
PVDCPR |
1:20.19 |
1:14.09 |
-6.10 |
| 2 |
Belen, Alfonso M (12)
|
PVERSC |
1:18.42 |
1:18.13 |
-0.29 |
| 3 |
Corbin Lewis, Asher N (11)
|
PVERSC |
1:21.82 |
1:21.22 |
-0.60 |
| 4 |
Sharperson, Jamon L (12)
|
PVDCPR |
|
1:23.83 |
- |
| 5 |
Chu, Patrick T (12)
|
PVPAC |
1:35.59 |
1:26.12 |
-9.47 |
| 6 |
Pereira, Dillan A (12)
|
PVPAC |
1:43.27 |
1:27.40 |
-15.87 |
| 7 |
Ramachandran, Arjun * (11)
|
PVYSS |
|
1:31.99 |
- |
| 8 |
Thompson, Javier A (11)
|
PVDCPR |
1:35.29 |
1:32.49 |
-2.80 |
| 9 |
Stello, Hunter R (11)
|
PVPAC |
1:35.79 |
1:36.16 |
0.37 |
| 10 |
Fleming, Colton S (11)
|
PVDCPR |
1:55.31 |
1:39.31 |
-16.00 |
| 11 |
Pattison, Oliver I (11)
|
PVDCPR |
1:57.53 |
1:44.71 |
-12.82 |
|
Rudolph-Gonzalez, Ruben D (12)
|
PVDCPR |
|
DQ |
- |
|
Lam, Tristan C (12)
|
PVDCPR |
1:44.81 |
NS |
- |
|
Thomas Jr, Adrian E (12)
|
PVDCPR |
1:50.56 |
NS |
- |