| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lash, Daniel B (11)
|
MASSC |
1:09.31 |
1:09.04 |
-0.27 |
| 1 |
Yoon, Grant I (12)
|
MAJW |
|
1:17.64 |
- |
| 2 |
Sheehan, Braden M (11)
|
MAJW |
1:09.40 |
1:09.25 |
-0.15 |
| 2 |
Denn, Luke B (12)
|
MAWAVE |
|
1:26.61 |
- |
| 3 |
Reihl, Alexander Q (11)
|
MAWAVE |
1:10.01 |
1:11.26 |
1.25 |
| 3 |
Staniszewski, Darek (11)
|
MAJW |
1:32.69 |
1:28.77 |
-3.92 |
| 4 |
Schwartz, Dov B (12)
|
MAJW |
1:11.91 |
1:13.06 |
1.15 |
| 4 |
Albert, Ethan A (12)
|
MAPRSC |
1:23.89 |
1:32.27 |
8.38 |
| 5 |
Mortellite, Anthony M (11)
|
MAJW |
1:13.31 |
1:16.14 |
2.83 |
| 5 |
Antonelli, Antonio V (11)
|
MAJW |
1:39.68 |
1:33.76 |
-5.92 |
| 6 |
Phillips, Ian R (11)
|
MAJW |
1:34.13 |
1:34.82 |
0.69 |
| 7 |
Dec, Sebastian (11)
|
MAJW |
1:33.50 |
1:38.05 |
4.55 |
|
Pasquini, Nicholas J (12)
|
MAJW |
1:23.30 |
NS |
- |