| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Marr, Max P (12)
|
MARAD |
1:04.83 |
1:04.25 |
-0.58 |
| 1 |
Huggins, Samuel L (11)
|
MANLAC |
1:12.41 |
1:11.10 |
-1.31 |
| 1 |
Quigley, Liam S (12)
|
MASCAY |
1:20.69 |
1:17.90 |
-2.79 |
| 2 |
Mallory, Hayden (11)
|
MASPFD |
1:14.49 |
1:13.66 |
-0.83 |
| 3 |
Duncheskie, Stephen A (11)
|
MASPFD |
1:22.35 |
1:21.64 |
-0.71 |
| 4 |
Lynch, Daniel T (11)
|
MASPFD |
1:23.97 |
1:22.11 |
-1.86 |
| 5 |
Kirchner, Avery K (11)
|
MAEAC |
1:27.05 |
1:22.24 |
-4.81 |
| 6 |
Line, Greyson B (12)
|
MARAD |
1:25.03 |
1:24.44 |
-0.59 |
| 7 |
Knepp, Paetyn T (12)
|
MAEAC |
1:25.67 |
1:24.60 |
-1.07 |
| 8 |
Kennedy, Thomas P (11)
|
MASPFD |
1:30.05 |
1:26.04 |
-4.01 |
| 9 |
Pijawka, Christopher M (11)
|
MARAD |
1:34.22 |
1:26.12 |
-8.10 |
| 10 |
Kirchner, Chase E (11)
|
MAEAC |
1:28.71 |
1:26.26 |
-2.45 |
| 11 |
Stum, Logan C (11)
|
MASPFD |
1:34.82 |
1:26.54 |
-8.28 |
| 12 |
LaFrazza-Schwartz, Vincent A (12)
|
MANLAC |
1:35.64 |
1:43.14 |
7.50 |
| 13 |
Berezin, Stephan I (11)
|
MANLAC |
|
1:51.10 |
- |
|
Frank, James J (11)
|
MARAD |
1:49.70 |
DQ |
- |
|
Cross, William * (12)
|
MASPFD |
1:08.01 |
NS |
- |
|
Yaegel, Tommy (12)
|
MASPFD |
1:18.24 |
NS |
- |