| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Pierce, Adrien T (11)
|
MREAST |
1:14.38 |
1:15.41 |
1.03 |
| 2 |
Andrews, Samuel T (12)
|
MREAST |
1:17.78 |
1:18.29 |
0.51 |
| 3 |
Allen, Liam F (12)
|
MRMWSC |
1:19.27 |
1:19.29 |
0.02 |
| 4 |
Velazquez, Henry A (12)
|
CTZEUS |
1:32.37 |
1:19.34 |
-13.03 |
| 5 |
Coogan, Matthew C (12)
|
MREAST |
1:23.72 |
1:23.08 |
-0.64 |
| 6 |
Park, Edward (11)
|
MRMWSC |
1:36.08 |
1:23.17 |
-12.91 |
| 7 |
Matossian, Cameron T (12)
|
MRBGNW |
1:17.33 |
1:23.87 |
6.54 |
| 8 |
McHugh, Luke P (11)
|
MRBGNW |
1:25.46 |
1:26.72 |
1.26 |
| 9 |
Schaum, Connor J (11)
|
MREAST |
1:24.43 |
1:28.56 |
4.13 |
| 10 |
Baldwin, Sean D (12)
|
MRHS |
1:28.80 |
1:29.03 |
0.23 |
| 11 |
Delfico, Ryan A (11)
|
MRBGNW |
1:27.23 |
1:29.34 |
2.11 |
| 12 |
Lichtenthal, Jonah G (11)
|
MRBGNW |
1:32.37 |
1:30.60 |
-1.77 |
| 13 |
Chajon, Jorge M (11)
|
CTZEUS |
1:36.11 |
1:31.35 |
-4.76 |
| 14 |
Ireland, Hugh P (11)
|
CTZEUS |
1:35.48 |
1:31.45 |
-4.03 |
| 15 |
Wilson, Aidan T (12)
|
MREAST |
1:37.62 |
1:32.71 |
-4.91 |
| 16 |
Sasso, Thomas B (12)
|
MREAST |
1:35.38 |
1:37.30 |
1.92 |
| 17 |
Coleman, Alexander M (11)
|
MRBGNW |
1:46.12 |
1:38.35 |
-7.77 |
| 18 |
Vales, Tanner C (12)
|
MREAST |
2:05.00 |
1:40.00 |
-25.00 |
| 19 |
Gagnon, Jonathan E (12)
|
MRUN |
1:36.99 |
1:40.26 |
3.27 |
| 20 |
Seck, Yelly M (11)
|
MREAST |
1:54.00 |
1:45.66 |
-8.34 |
|
Baldwin, Brian J (11)
|
MRHS |
1:39.00 |
DQ |
- |
|
Graber, Ethan J (12)
|
MREAST |
2:09.26 |
DQ |
- |
|
Bruno, Anthony J (11)
|
MRMWSC |
1:40.77 |
NS |
- |