| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Doyle, Benjamin P (17)
|
MAUMLY |
1:05.13 |
1:09.33 |
4.20 |
| 2 |
Wright, Owen C (15)
|
MAUMLY |
1:10.00 |
1:12.11 |
2.11 |
| 3 |
Chang, Atticus J (14)
|
NJMAY |
1:11.69 |
1:12.42 |
0.73 |
| 4 |
Powers, Leo A (14)
|
NJMYM |
1:11.82 |
1:12.76 |
0.94 |
| 5 |
Liu, Alex P (16)
|
NJMEY |
1:12.45 |
1:14.24 |
1.79 |
| 6 |
Chung, Aris (18)
|
NJMEY |
1:11.20 |
1:15.14 |
3.94 |
| 7 |
Caplan, Noah A (19)
|
MAUMLY |
1:12.22 |
1:15.19 |
2.97 |
| 8 |
Foung, Caleb C (16)
|
NJMYM |
1:13.26 |
1:15.35 |
2.09 |
| 9 |
Cortez, Brandon C (15)
|
NJFSPY |
1:12.45 |
1:16.26 |
3.81 |
| 10 |
Zou, Alex E (15)
|
NJSVY |
1:12.09 |
1:17.40 |
5.31 |
| 11 |
Rodriguez-LaLlave, Jose A (14)
|
NJMYM |
1:14.39 |
1:21.26 |
6.87 |
| 12 |
Brattini, Nicholas M (14)
|
MARAYS |
1:14.30 |
1:24.47 |
10.17 |