| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Vitale, Benjamin G (11)
|
MRPATS |
1:10.00 |
1:08.59 |
-1.41 |
| 2 |
Pepper, Hudson M (10)
|
MRHS |
1:17.72 |
1:14.07 |
-3.65 |
| 3 |
Zhang, John (11)
|
MRNCAC |
1:13.94 |
1:15.50 |
1.56 |
| 4 |
Samko, Jack P (11)
|
MRHS |
1:16.50 |
1:15.80 |
-0.70 |
| 5 |
Bubrowiecki, Sebastian (11)
|
MRHS |
1:17.11 |
1:18.63 |
1.52 |
| 6 |
Equiano, Jason A (10)
|
MRAPEX |
1:23.48 |
1:24.84 |
1.36 |
| 7 |
Hamm, William B (10)
|
MRWISC |
1:24.99 |
1:28.75 |
3.76 |
| 8 |
Brillante, Francesco A (10)
|
MRHS |
1:55.00 |
1:36.58 |
-18.42 |
| 9 |
Gruver, Bogdan A (11)
|
MRHS |
1:32.99 |
1:40.24 |
7.25 |
| 10 |
Elkhoury, Marc (9)
|
MRHS |
1:55.00 |
1:50.78 |
-4.22 |
|
Kan, Winston C (9)
|
MRHS |
1:45.00 |
DQ |
- |