| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Borden, Jonas O (11)
|
NIBAAC |
42.65 |
41.23 |
-1.42 |
| 2 |
Bouton, Robert A (11)
|
NIBAAC |
44.12 |
43.07 |
-1.05 |
| 3 |
Amer, Sirajedeen F (11)
|
NIVELO |
46.43 |
45.34 |
-1.09 |
| 4 |
Coen, Jack D (11)
|
NISTAR |
47.72 |
46.23 |
-1.49 |
| 5 |
LaJeunesse, Peter IV F (11)
|
NIVELO |
49.60 |
46.33 |
-3.27 |
| 6 |
Bhat, Umair M (11)
|
NIBAAC |
49.96 |
48.03 |
-1.93 |
| 7 |
Remick, Spencer S (11)
|
NIBAAC |
54.67 |
49.58 |
-5.09 |
| 8 |
Coen, Liam C (11)
|
NISTAR |
52.59 |
51.27 |
-1.32 |
| 9 |
Meyer, Noah (11)
|
NIVELO |
56.36 |
55.83 |
-0.53 |
| 10 |
Grifa, Evan M (11)
|
NISTAR |
|
1:00.80 |
- |
| 11 |
Kobielski, Colin (11)
|
NIVELO |
|
1:01.18 |
- |
|
DiGiacomo, Dominic J (11)
|
NICLSC |
|
DQ |
- |