| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Rachael, Everett W (10)
|
MAEAC |
33.19 |
34.92 |
1.73 |
| 1 |
Ketchum, Jack B (9)
|
MAEAC |
|
38.20 |
- |
| 2 |
Lantz, Jacob U (9)
|
MAPACS |
|
39.08 |
- |
| 3 |
Gonzalez, Nathaniel L (9)
|
MAPENN |
45.26 |
45.38 |
0.12 |
| 4 |
Oswald, Benjamin E (10)
|
MAMSA |
49.49 |
45.95 |
-3.54 |
| 5 |
Zhou, Ethan (10)
|
MAMSA |
52.82 |
46.33 |
-6.49 |
| 6 |
Grosse, Keegan (10)
|
MAPENN |
44.71 |
47.66 |
2.95 |
| 7 |
Eusemann, Owen J (10)
|
MAMSA |
1:00.68 |
47.90 |
-12.78 |
| 8 |
Yan, Ivan N (9)
|
MAMSA |
|
50.46 |
- |
| 9 |
Sao, Shreyas (10)
|
MAMSA |
53.75 |
53.00 |
-0.75 |
| 10 |
Gonzalez, Alejandro D (9)
|
MAPENN |
|
58.57 |
- |
| 11 |
Zhang, Anthony M (9)
|
MAMSA |
|
1:02.33 |
- |
| 12 |
LaFrazza-Schwartz, Vincent A (10)
|
MANLAC |
|
1:15.11 |
- |
|
Saverino, Travis V (9)
|
MAMSA |
|
DQ |
- |