| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Walsh, Thomas P (10)
|
NJNJRC |
1:20.84 |
1:22.88 |
2.04 |
| 2 |
Collett, Mason C (9)
|
NJNJRC |
1:25.71 |
1:24.22 |
-1.49 |
| 3 |
Wilson, Noah R (10)
|
NJMB |
1:26.70 |
1:25.52 |
-1.18 |
| 4 |
Glover, Henry W (10)
|
NJNJRC |
1:32.90 |
1:25.92 |
-6.98 |
| 5 |
Gallagher, Jack D (10)
|
NJCJAC |
1:26.55 |
1:27.98 |
1.43 |
| 6 |
Nielsen, Brody T (10)
|
NJMB |
1:35.91 |
1:36.28 |
0.37 |
| 7 |
Monat, Max H (10)
|
NJMB |
1:32.14 |
1:36.38 |
4.24 |
| 8 |
Loewenberg, Alexander R (9)
|
NJCJAC |
1:39.84 |
1:40.88 |
1.04 |
| 9 |
Rowe, Nathan D (10)
|
NJMB |
1:44.81 |
1:43.37 |
-1.44 |
| 10 |
Barbier, Luca G (9)
|
NJCJAC |
1:45.32 |
1:44.00 |
-1.32 |
| 11 |
Brennan, Jack G (10)
|
NJMB |
1:49.91 |
1:47.18 |
-2.73 |
| 12 |
Fabbricatore, Gabriele (10)
|
NJMB |
2:18.41 |
2:08.78 |
-9.63 |
|
McNally, Brody (10)
|
NJMB |
2:06.75 |
DQ |
- |