| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ameriks, Arthur K (12)
|
MAUMLY |
1:09.00 |
1:06.68 |
-2.32 |
| 2 |
De Vries, Alex J (11)
|
MAUMLY |
1:08.16 |
1:08.45 |
0.29 |
| 3 |
Mowry, Jacob H (12)
|
MARY |
1:07.51 |
1:09.08 |
1.57 |
| 4 |
Vidal, Tito (12)
|
MABYNS |
1:10.33 |
1:11.95 |
1.62 |
| 5 |
Mooney, Jack D (11)
|
MABYNS |
1:14.10 |
1:13.67 |
-0.43 |
| 6 |
Carl, Evan B (11)
|
MABYNS |
1:16.46 |
1:15.16 |
-1.30 |
| 7 |
Cuevas Riego De Dios, Justin (11)
|
MAUMLY |
|
1:15.41 |
- |
| 8 |
Gaddameedi, Pradhit R (12)
|
MAUMLY |
1:15.74 |
1:18.72 |
2.98 |
| 9 |
Baganski, Patrick J (12)
|
MAPAY |
1:14.33 |
1:18.77 |
4.44 |
| 10 |
Wan, Asher S (11)
|
MAPAY |
1:19.23 |
1:20.41 |
1.18 |
| 11 |
Clemens, Benjamin J (11)
|
MAPAY |
|
1:23.84 |
- |
| 12 |
Falstich, William T (11)
|
MABYNS |
1:40.28 |
1:43.61 |
3.33 |