| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Marcincavage, Roddy G (10)
|
AMNAC |
38.28 |
42.28 |
4.00 |
| 1 |
Petrina, William R (9)
|
AMNGAC |
52.65 |
54.81 |
2.16 |
| 2 |
Lash, Liam (8)
|
AMUN-R |
49.35 |
44.46 |
-4.89 |
| 2 |
Olinger, Phallen (8)
|
AMUN-R |
54.80 |
56.65 |
1.85 |
| 3 |
Schneider, Ralston M (10)
|
AMFAST |
51.17 |
1:00.61 |
9.44 |
| 3 |
McKelvey, Greyson O (9)
|
AMNGAC |
47.95 |
47.15 |
-0.80 |
| 4 |
Tucker, Jacob A (10)
|
AMCSC |
59.99 |
1:03.79 |
3.80 |
| 4 |
Pickett, Noah M (10)
|
AMMAC |
42.95 |
47.64 |
4.69 |
| 5 |
Book, Parker R (10)
|
AMSRST |
45.08 |
48.93 |
3.85 |
| 6 |
Ruff, Desmond C (10)
|
AMKW |
47.41 |
49.66 |
2.25 |
|
Pickett, Christopher B (8)
|
AMMAC |
1:11.11 |
DQ |
- |