| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Tini, Jeffrey T (10)
|
MATHY |
1:13.12 |
1:12.82 |
-0.30 |
| 2 |
Arthurs, Aidan L (10)
|
MAKAY |
1:16.01 |
1:13.92 |
-2.09 |
| 3 |
Tith, Nara S (9)
|
MABYNS |
1:16.28 |
1:15.83 |
-0.45 |
| 4 |
Roulstone, Flynn H (10)
|
MAPAY |
1:16.72 |
1:16.84 |
0.12 |
| 5 |
Anderson, Arijah P (10)
|
MABCY |
1:17.16 |
1:16.99 |
-0.17 |
| 6 |
Anderson, Ezriah (8)
|
MABCY |
1:17.94 |
1:17.79 |
-0.15 |
| 7 |
Burk, Kyle M (9)
|
MAKAY |
1:19.95 |
1:19.52 |
-0.43 |
| 8 |
Hoke, Wyatt N (9)
|
MARAYS |
1:21.71 |
1:21.21 |
-0.50 |
| 9 |
Barnes, Tristan K (10)
|
MARAYS |
1:21.75 |
1:21.37 |
-0.38 |
| 10 |
Sung, Alex (10)
|
MAUMLY |
1:26.70 |
1:21.42 |
-5.28 |
| 11 |
Shui, Howard H (10)
|
MAPAY |
1:20.54 |
1:21.93 |
1.39 |
| 12 |
Galef, William C (10)
|
MAUMLY |
1:23.21 |
1:22.87 |
-0.34 |
| 13 |
Toland, Jimmy J (10)
|
MARAYS |
1:26.57 |
1:23.83 |
-2.74 |
| 14 |
Markouski, Timophey V (9)
|
MATHY |
1:23.01 |
1:24.51 |
1.50 |
| 15 |
Vidal, Alejandro (10)
|
MABYNS |
1:27.05 |
1:25.83 |
-1.22 |
| 16 |
Iovacchini, Paul (9)
|
MARKRY |
1:26.92 |
1:27.11 |
0.19 |
| 17 |
Barnes, Liam K (9)
|
MARAYS |
1:27.39 |
1:28.77 |
1.38 |
| 18 |
Roytman, Edward J (10)
|
MATHY |
1:28.45 |
1:28.85 |
0.40 |
| 19 |
Ameriks, Tyki A (9)
|
MAUMLY |
1:26.96 |
1:29.12 |
2.16 |
| 20 |
Muldowney, Alexander J (10)
|
MAUMLY |
1:29.79 |
1:29.65 |
-0.14 |
| 21 |
Trupp, Liam H (10)
|
MARY |
1:29.39 |
1:31.11 |
1.72 |