| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Hall, Harrison J (12)
|
NIVICT |
56.61 |
58.23 |
1.62 |
| 2 |
Morgan, Aidan J (11)
|
NICLSC |
58.23 |
58.79 |
0.56 |
| 3 |
Gasiewicz, Aaron C (11)
|
NICLSC |
1:04.14 |
1:03.63 |
-0.51 |
| 4 |
Rodi, Nathan Z (11)
|
NISEYS |
1:04.79 |
1:04.44 |
-0.35 |
| 5 |
Turek, Joshua J (12)
|
NIVICT |
1:08.61 |
1:08.93 |
0.32 |
| 6 |
Carrigan, Christopher J (11)
|
NISEYS |
1:09.78 |
1:10.74 |
0.96 |
| 7 |
Dane, Samuel L (12)
|
NIVICT |
1:13.75 |
1:11.02 |
-2.73 |
| 8 |
Haas, Max D (11)
|
NISDSC |
1:11.74 |
1:14.10 |
2.36 |
| 9 |
Zornow, Daniel T (11)
|
NIUN-Q |
1:16.66 |
1:17.28 |
0.62 |
| 10 |
Green, William E (12)
|
NIHAST |
1:28.97 |
1:24.46 |
-4.51 |
| 11 |
Culhane, Liam M (12)
|
NIVICT |
1:31.10 |
1:25.10 |
-6.00 |
| 12 |
Wirth, Jack M (11)
|
NIUN-Q |
1:40.91 |
1:35.94 |
-4.97 |
| 13 |
Chiulli, Alexander D (12)
|
NIMERC |
1:33.92 |
1:39.98 |
6.06 |