| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Arquillano, Melson Jayven L (13)
|
NEHAY |
56.66 |
57.03 |
0.37 |
| 2 |
Maron, Jack J (13)
|
NEHAY |
1:01.89 |
1:02.14 |
0.25 |
| 3 |
Wang, Benjamin (14)
|
NEHAY |
1:02.10 |
1:03.47 |
1.37 |
| 4 |
Austin, Nicholas X (14)
|
NESSYS |
1:04.98 |
1:03.60 |
-1.38 |
| 5 |
Alzamora, Diego a (14)
|
NEHDSC |
1:09.08 |
1:08.16 |
-0.92 |
| 6 |
Muller, Alexander C (13)
|
NEHDSC |
1:07.90 |
1:08.18 |
0.28 |
| 7 |
Franciosi, Bennett T (13)
|
NEHAY |
1:08.00 |
1:09.49 |
1.49 |
| 8 |
Phan, Johnathan (13)
|
NEANA |
|
1:10.20 |
- |
| 9 |
Kafel, Joshua J (14)
|
NEHAY |
1:12.38 |
1:12.37 |
-0.01 |
| 10 |
Torstensson, Owen A (13)
|
NEJCCS |
1:17.75 |
1:16.04 |
-1.71 |
| 11 |
Xu, Xiaode (13)
|
NEMAL |
1:19.60 |
1:16.25 |
-3.35 |
| 12 |
Steele, Liam A (14)
|
NEJCCS |
1:13.04 |
1:16.73 |
3.69 |
| 13 |
Joseph-Boyce, Michael X (13)
|
NEMAL |
1:30.87 |
1:25.73 |
-5.14 |