| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Rachael, Everett W (10)
|
MAEAC |
35.70 |
35.28 |
-0.42 |
| 1 |
Huggins, Samuel L (10)
|
MANLAC |
38.19 |
36.87 |
-1.32 |
| 1 |
Ketchum, Jack B (9)
|
MAEAC |
|
38.27 |
- |
| 2 |
Faulkingham, Jacob T (10)
|
MAMSA |
40.91 |
38.84 |
-2.07 |
| 2 |
Eusemann, Owen J (10)
|
MAMSA |
44.00 |
42.22 |
-1.78 |
| 3 |
Zhou, Ethan (10)
|
MAMSA |
42.92 |
40.21 |
-2.71 |
| 3 |
Lantz, Jacob U (9)
|
MAPACS |
|
43.28 |
- |
| 4 |
Gonzalez, Nathaniel L (9)
|
MAPENN |
42.28 |
42.32 |
0.04 |
| 4 |
Grosse, Keegan (10)
|
MAPENN |
|
43.73 |
- |
| 5 |
Sao, Shreyas (10)
|
MAMSA |
48.38 |
45.43 |
-2.95 |
| 6 |
Oswald, Benjamin E (10)
|
MAMSA |
46.52 |
46.02 |
-0.50 |
| 7 |
Yan, Ivan N (9)
|
MAMSA |
|
46.19 |
- |
| 8 |
Gonzalez, Alejandro D (9)
|
MAPENN |
50.50 |
49.54 |
-0.96 |
| 9 |
LaFrazza-Schwartz, Vincent A (10)
|
MANLAC |
|
50.36 |
- |
|
Saverino, Travis V (9)
|
MAMSA |
|
DQ |
- |
|
Butakis, Carter T (9)
|
MAMSA |
|
NS |
- |