| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kabunov, Mikhail V (11)
|
NIJETS |
57.86 |
57.61 |
-0.25 |
| 2 |
Peters, Evan M (12)
|
NIGCOM |
1:04.85 |
1:00.56 |
-4.29 |
| 3 |
Williams, Jonah F (11)
|
NISKAN |
1:04.14 |
1:05.16 |
1.02 |
| 4 |
Rank, Luciano M (11)
|
NINEWW |
1:08.15 |
1:07.83 |
-0.32 |
| 5 |
Mills, William P (12)
|
NIMETS |
1:08.52 |
1:08.00 |
-0.52 |
| 6 |
Anthony, Jaydon T (12)
|
NIPMSC |
1:11.17 |
1:10.28 |
-0.89 |
| 7 |
Monroe, Lucas J (12)
|
NIPMSC |
1:12.88 |
1:11.51 |
-1.37 |
| 8 |
Lange, Matthew (12)
|
NISKAN |
1:18.59 |
1:12.36 |
-6.23 |
| 9 |
VanAlst, Amon J (11)
|
ADUNAT |
1:14.28 |
1:15.15 |
0.87 |
| 10 |
Caswell, Christopher R (12)
|
NIGCOM |
1:18.52 |
1:16.61 |
-1.91 |
| 11 |
Milliman, Kaden M (11)
|
NIWGSC |
1:16.95 |
1:17.46 |
0.51 |
| 12 |
Kligerman, Eli W (11)
|
NISYCH |
|
1:19.05 |
- |
| 13 |
Britz, Malcolm T (12)
|
NISYCH |
|
1:19.95 |
- |
| 14 |
Theobald, George W (12)
|
NISYCH |
1:22.64 |
1:20.49 |
-2.15 |
| 15 |
Andrews, William J (11)
|
NIMETS |
1:22.32 |
1:22.23 |
-0.09 |
| 16 |
Cappellett, Harrison J (11)
|
NIUNAC |
1:32.19 |
1:29.77 |
-2.42 |
| 17 |
St John, Treygan J (12)
|
NINAYE |
1:25.68 |
1:29.86 |
4.18 |
| 18 |
Bilotta, Nicholas A (11)
|
NIUNAC |
1:27.82 |
1:33.26 |
5.44 |
| 19 |
Perry, Kaden J (11)
|
NIMETS |
|
2:43.63 |
- |