| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Temni, Matthew (12)
|
MRFREE |
1:14.02 |
1:12.91 |
-1.11 |
| 2 |
Korenblit, Liam R (12)
|
MRFREE |
1:14.65 |
1:15.29 |
0.64 |
| 3 |
Zeleniy, Aidan (12)
|
MRMPNY |
1:17.24 |
1:16.56 |
-0.68 |
| 4 |
Attenborough, Michael (12)
|
MRFREE |
1:17.24 |
1:17.28 |
0.04 |
| 5 |
Sockey, Charles T (12)
|
MRBKR |
1:20.68 |
1:17.54 |
-3.14 |
| 6 |
Konoplin, Maxim (12)
|
MRMPNY |
1:19.89 |
1:18.77 |
-1.12 |
| 7 |
Comia, Jacob (12)
|
MRFREE |
1:25.45 |
1:26.67 |
1.22 |
| 8 |
Cruz Jr, David (12)
|
MRFREE |
1:30.83 |
1:27.90 |
-2.93 |
| 9 |
Charlot-Johnson, Christopher (12)
|
MRBKR |
1:37.49 |
1:27.95 |
-9.54 |
| 10 |
Kan, Daniel (12)
|
MRFREE |
1:34.79 |
1:29.54 |
-5.25 |
| 11 |
Mulvena, Wyatt S (12)
|
MRBKR |
1:38.99 |
1:32.70 |
-6.29 |
|
Kravets-Wehby, Jake A (12)
|
MRBKR |
1:46.53 |
DQ |
- |