| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Peng, Gregory W (10)
|
MRAPEX |
1:18.13 |
1:17.74 |
-0.39 |
| 2 |
Krayets, Eric B (10)
|
MRHES |
1:25.85 |
1:24.41 |
-1.44 |
| 3 |
Breeden, Cayden J (10)
|
MRBAD |
1:23.95 |
1:27.19 |
3.24 |
| 4 |
Bellach, Matthew R (9)
|
MRBAD |
1:30.59 |
1:28.69 |
-1.90 |
| 5 |
Liu, Haochen (10)
|
MRBAD |
|
1:29.05 |
- |
| 6 |
Lavelle, Joseph F (10)
|
MRBAD |
1:31.38 |
1:31.46 |
0.08 |
| 7 |
Rodriguez, Justice R (10)
|
MRBWBW |
1:32.21 |
1:31.79 |
-0.42 |
| 8 |
O'Sullivan, Charlie J (9)
|
MRUN |
|
1:31.95 |
- |
| 9 |
Wang, Robert Y (10)
|
MRAPEX |
1:33.57 |
1:32.62 |
-0.95 |
| 10 |
Racz, Theodore (10)
|
MRCFB |
1:32.04 |
1:33.64 |
1.60 |
| 11 |
Smith, TJ P (9)
|
MRBAD |
1:32.00 |
1:34.64 |
2.64 |
| 12 |
Vergara, Alexander (10)
|
MRSPAR |
1:40.01 |
1:35.68 |
-4.33 |
| 13 |
Isakov, Jonathan (10)
|
MRHES |
1:39.80 |
1:37.58 |
-2.22 |
| 14 |
Koufalis, Konstantinos (9)
|
MRBAD |
1:38.33 |
1:38.44 |
0.11 |
| 15 |
Soviero, William G (9)
|
MRBAD |
1:48.03 |
1:41.70 |
-6.33 |
| 16 |
Sugianto, Brandon (10)
|
MRGATE |
1:36.00 |
1:42.59 |
6.59 |
| 17 |
Lee, Cooper C (9)
|
MRBAD |
1:49.00 |
1:42.94 |
-6.06 |
| 18 |
Victoria, Jeremy A (9)
|
MRAPEX |
1:52.93 |
1:46.19 |
-6.74 |
| 19 |
Pena, Aidan J (9)
|
MRAPEX |
2:00.70 |
1:47.22 |
-13.48 |
| 20 |
Rosenthal, Isaac D (10)
|
MRCAS |
1:52.60 |
1:48.40 |
-4.20 |
| 21 |
Racz, Gregory (9)
|
MRCFB |
1:56.30 |
1:53.43 |
-2.87 |
| 22 |
Chu, Preston (9)
|
MRGATE |
1:51.27 |
1:54.99 |
3.72 |
|
Lopez, Joseph G (9)
|
MRAPEX |
1:57.04 |
DQ |
- |
|
Chrostowski, Alexander E (9)
|
MRUN |
1:47.00 |
DQ |
- |
|
Jadhav, Herchelle (9)
|
MRBAD |
1:44.46 |
NS |
- |
|
Thompson, Kota (10)
|
MRUNLS |
1:30.35 |
NS |
- |
|
Tom, Hayden (9)
|
MRUNLS |
1:43.23 |
NS |
- |