| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Fidos, Alexander J (10)
|
MRTVSC |
1:12.67 |
1:12.92 |
0.25 |
| 2 |
Antonetti, Charles L (10)
|
MRTVSC |
1:20.27 |
1:17.24 |
-3.03 |
| 3 |
Boudreau, Bryce N (9)
|
MRTVSC |
1:19.72 |
1:17.76 |
-1.96 |
| 4 |
Bailey, John C (9)
|
MRTVSC |
|
1:27.88 |
- |
| 5 |
Lo, Andre O (10)
|
MRTS |
1:35.97 |
1:28.27 |
-7.70 |
| 6 |
Dinsman, Luke W (9)
|
MRTS |
1:33.81 |
1:30.38 |
-3.43 |
| 7 |
Maeng, Isaac S (10)
|
MRTS |
1:35.99 |
1:31.55 |
-4.44 |
| 8 |
Coffin, Oliver J (10)
|
MRTVSC |
1:40.00 |
1:34.31 |
-5.69 |
| 9 |
Kim, Raho (10)
|
MRTS |
1:32.93 |
1:34.85 |
1.92 |
| 10 |
Miller, Henry J (9)
|
MRTVSC |
|
1:38.82 |
- |
| 11 |
Paterno, Lucas G (9)
|
MRTVSC |
1:45.00 |
1:46.11 |
1.11 |
|
Tahliambouris, Emmanuel (10)
|
MRTS |
1:45.40 |
DQ |
- |
|
Severin, Charlie E (10)
|
MRTVSC |
|
DQ |
- |