| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Rotunda, Matthew K (16)
|
MDMBK |
1:00.45 |
1:01.15 |
0.70 |
| 2 |
Fiori, James T (16)
|
MDMAS |
1:02.22 |
1:02.04 |
-0.18 |
| 3 |
Snyder, Kade B (17)
|
MDACA |
1:05.11 |
1:02.83 |
-2.28 |
| 4 |
Fairbank, James K (15)
|
MDCGA |
1:02.51 |
1:02.87 |
0.36 |
| 5 |
Liu, Paul S (15)
|
MDMBK |
1:04.91 |
1:07.11 |
2.20 |
| 6 |
Gurri, Niccolo J (17)
|
MDMBK |
1:05.06 |
1:07.23 |
2.17 |
| 7 |
Carroll, Benjamin A (17)
|
MDCGA |
1:12.73 |
1:09.20 |
-3.53 |
| 8 |
Damyanov, Nicholas I (15)
|
MDMAS |
1:09.92 |
1:10.39 |
0.47 |
| 9 |
Tan, Ivan (15)
|
MDMAS |
1:17.50 |
1:10.79 |
-6.71 |
| 10 |
Cocker, Gareth W (16)
|
MDMBK |
1:13.22 |
1:12.51 |
-0.71 |
| 11 |
Herman, Holden O (15)
|
MDMBK |
1:17.88 |
1:12.76 |
-5.12 |
| 12 |
Chen, Raymond (16)
|
MDMAS |
1:13.75 |
1:14.05 |
0.30 |
| 13 |
Di Gregorio, Caleb E (17)
|
MDMAS |
1:14.48 |
1:15.09 |
0.61 |
| 14 |
Delgado Gomez, Oscar (15)
|
MDMBK |
|
1:15.81 |
- |
| 15 |
Tony, Christian J (16)
|
MDMAS |
1:11.67 |
1:16.15 |
4.48 |
| 16 |
Malone, William K (16)
|
MDMBK |
|
1:16.32 |
- |
| 17 |
Longo, James P (16)
|
MDACA |
1:20.42 |
1:20.38 |
-0.04 |
| 18 |
Seip, Jonah R (16)
|
MDHFY |
1:22.43 |
1:21.98 |
-0.45 |
| 19 |
Dube, Noah J (15)
|
MDACA |
1:27.64 |
1:25.54 |
-2.10 |
| 20 |
Tourison, Connor D (16)
|
MDCGA |
1:23.88 |
1:25.92 |
2.04 |
| 21 |
Varacalle-Goetz, Eyan C (15)
|
MDCGA |
1:28.26 |
1:25.97 |
-2.29 |