| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Vandewinckel, Lucas C (17)
|
MDCGA |
1:08.97 |
1:06.62 |
-2.35 |
| 2 |
Villanueva, Marcos Rafael G (17)
|
MDCGA |
1:06.84 |
1:07.13 |
0.29 |
| 3 |
Clark, Zachary A (17)
|
MDACA |
1:11.46 |
1:07.33 |
-4.13 |
| 4 |
Zieger, Aidan F (17)
|
MDCGA |
1:10.28 |
1:08.32 |
-1.96 |
| 5 |
DuFauchard, Trey D (17)
|
MDCGA |
1:06.77 |
1:08.78 |
2.01 |
| 6 |
Navarra, Niall J (15)
|
MDMAS |
1:10.71 |
1:09.05 |
-1.66 |
| 7 |
Lynch, Gregory (17)
|
MDCGA |
1:12.78 |
1:09.19 |
-3.59 |
| 8 |
Carpenter, Joseph E (16)
|
MDGTAC |
1:10.28 |
1:09.77 |
-0.51 |
| 9 |
Cuchna, Nicholas J (16)
|
MDMAS |
1:06.11 |
1:10.09 |
3.98 |
| 10 |
Carroll, Benjamin A (15)
|
MDCGA |
1:12.83 |
1:12.96 |
0.13 |
| 11 |
Peck, Mason R (16)
|
MDCGA |
1:19.41 |
1:14.12 |
-5.29 |
| 12 |
Tran, Mason (14)
|
MDACA |
1:25.01 |
1:25.03 |
0.02 |
| 13 |
Tran, Tyler (12)
|
MDACA |
1:32.47 |
1:32.83 |
0.36 |
| 14 |
Kelly, Jonathan J (15)
|
MDJCC |
1:38.56 |
1:37.71 |
-0.85 |
|
Di Gregorio, Caleb E (15)
|
MDMAS |
1:21.03 |
DQ |
- |