| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Fukui, Takaaki R (10)
|
MDJCC |
42.92 |
43.77 |
0.85 |
| 2 |
Tackett, James P (10)
|
MDACA |
44.04 |
44.02 |
-0.02 |
| 3 |
O'Connor, Keaton D (10)
|
MDMAS |
|
45.21 |
- |
| 4 |
Grimm, Colin A (10)
|
MDMAS |
|
45.72 |
- |
| 5 |
Kobilarov, Alex (9)
|
MDMAS |
53.49 |
47.60 |
-5.89 |
| 6 |
Torres-Naranjo, Samuel (10)
|
MDCGA |
46.41 |
48.16 |
1.75 |
| 7 |
Lewin, Yosef M (9)
|
MDJCC |
1:06.09 |
49.07 |
-17.02 |
| 8 |
Bess, Grayson M (10)
|
MDCGA |
1:00.03 |
54.04 |
-5.99 |
| 9 |
Rampersad, Alexander B (9)
|
MDMAS |
|
54.06 |
- |
|
Hiken, Seth M (10)
|
MDCGA |
|
DQ |
- |
|
Meteer, Charles T (10)
|
MDGTAC |
|
DQ |
- |
|
Grigoryev, Nikiita (10)
|
MDJCC |
37.19 |
DQ |
- |