| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Whitaker, Brock H (11)
|
MASSC |
1:14.21 |
1:12.91 |
-1.30 |
| 2 |
Zoldan, Alexander P (12)
|
MASSC |
1:14.23 |
1:14.00 |
-0.23 |
| 3 |
Bendoraitis, Matthew C (12)
|
NJSCAR |
1:16.36 |
1:14.76 |
-1.60 |
| 4 |
Moyer, John D (11)
|
MAJW |
1:14.75 |
1:14.79 |
0.04 |
| 5 |
Wilmore, Tyler R (11)
|
MADST |
1:18.72 |
1:15.37 |
-3.35 |
| 6 |
Gravuer, Conrad B (12)
|
MADST |
1:19.79 |
1:16.46 |
-3.33 |
| 7 |
Reice, Noah D (12)
|
MADST |
1:26.60 |
1:17.21 |
-9.39 |
| 8 |
Yoo, Nicholas H (11)
|
NJSCAR |
1:19.00 |
1:18.07 |
-0.93 |
| 9 |
Seidman, Josh D (12)
|
MAJW |
1:28.02 |
1:18.62 |
-9.40 |
| 10 |
Rosenthal, Ryan J (12)
|
MAJW |
1:27.95 |
1:20.50 |
-7.45 |
| 11 |
Eizner, Eddie (12)
|
MAJW |
1:24.26 |
1:20.87 |
-3.39 |
| 12 |
Winnington, Jude W (11)
|
MADST |
1:30.03 |
1:24.13 |
-5.90 |
| 13 |
Karahalis, Alexander J (11)
|
MADST |
1:07.92 |
1:24.79 |
16.87 |
| 14 |
Kim, Joram K (12)
|
NJSCAR |
1:29.96 |
1:25.47 |
-4.49 |
| 15 |
Turley, Benjamin M (11)
|
MAJW |
1:17.46 |
1:25.48 |
8.02 |
| 16 |
Gagner, Owen G (11)
|
MAJW |
1:15.95 |
1:27.19 |
11.24 |
| 17 |
Texter, Jacob C (11)
|
MADST |
1:17.70 |
1:28.48 |
10.78 |
| 18 |
Lewis, Colin G (11)
|
MADST |
1:30.30 |
1:28.57 |
-1.73 |
| 19 |
McCaffrey, John E (11)
|
PVTOLL |
1:32.99 |
1:33.62 |
0.63 |
| 20 |
Alexandrou, Andreas C (11)
|
PVTOLL |
1:32.99 |
2:02.49 |
29.50 |