| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Krupski, Roman J (11)
|
ADCLIN |
1:07.25 |
1:07.74 |
0.49 |
| 2 |
French, Matthew M (12)
|
ADNHA |
1:09.97 |
1:09.63 |
-0.34 |
| 3 |
Joseph, William P (12)
|
ADNHA |
1:11.37 |
1:11.74 |
0.37 |
| 4 |
Splonskowski, Brendan J (11)
|
ADJJSC |
1:19.72 |
1:12.53 |
-7.19 |
| 5 |
Tieckelmann, Connor R (11)
|
ADSCHE |
1:19.53 |
1:14.37 |
-5.16 |
| 6 |
Croke, Ethan M (11)
|
ADADDI |
1:16.99 |
1:16.90 |
-0.09 |
| 7 |
Hubbard, Ethan A (12)
|
ADCANA |
1:22.01 |
1:17.55 |
-4.46 |
| 8 |
Murphy, James C (11)
|
ADBENN |
1:37.05 |
1:19.09 |
-17.96 |
| 9 |
Walsh, Andrew R (12)
|
ADSCHE |
1:24.82 |
1:22.43 |
-2.39 |
| 10 |
Wang, Jake H (11)
|
ADSCHE |
1:23.99 |
1:24.28 |
0.29 |
| 11 |
Barlow, Nicholas M (11)
|
ADCANA |
1:34.11 |
1:25.33 |
-8.78 |
| 12 |
Robinson, Samuel J (11)
|
ADCANA |
1:36.01 |
1:26.48 |
-9.53 |
| 13 |
Squires, Matthew G (12)
|
ADCLIN |
1:32.55 |
1:27.41 |
-5.14 |
| 14 |
D'Amico, David A (11)
|
ADSCHE |
1:27.54 |
1:27.99 |
0.45 |
| 15 |
Stabinski, Alexander J (11)
|
ADCANA |
1:58.30 |
1:49.92 |
-8.38 |