| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Cobb, Jason A (10)
|
PVNCAP |
1:28.57 |
1:28.33 |
-0.24 |
| 2 |
Donohue, John T (10)
|
PVNCAP |
|
1:28.42 |
- |
| 3 |
Cho, Hanchae J (10)
|
PVMAC |
1:28.16 |
1:29.12 |
0.96 |
| 4 |
Nam, Jayden K (10)
|
PVMAC |
1:32.78 |
1:33.54 |
0.76 |
| 5 |
Hussey, Liam T (10)
|
PVNCAP |
1:32.85 |
1:34.20 |
1.35 |
| 6 |
Aronoff, Noah A (10)
|
PVNCAP |
1:32.87 |
1:35.67 |
2.80 |
| 7 |
Musgrove, Aidan Y (10)
|
PVTANK |
1:37.71 |
1:36.93 |
-0.78 |
| 8 |
Laskowski, Malcolm E (10)
|
PVDCPR |
1:59.05 |
1:38.74 |
-20.31 |
| 9 |
Chase, Tarik R (9)
|
PVDCPR |
1:57.26 |
1:38.93 |
-18.33 |
| 10 |
Alfonso-Frank, Simon W (9)
|
PVNCAP |
|
1:39.49 |
- |
|
Liu, Winfred B (9)
|
PVNCAP |
|
DQ |
- |