| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Donnelly, Kevin A (8)
|
MAGPAC |
45.97 |
45.11 |
-0.86 |
| 2 |
Wilson, Gannon D (7)
|
MAUN-4 |
49.10 |
47.54 |
-1.56 |
| 3 |
Braeger, Quintin R (8)
|
MAKA |
57.42 |
50.72 |
-6.70 |
| 4 |
Sprang, Keegan C (8)
|
MAGPAC |
55.38 |
53.24 |
-2.14 |
| 5 |
Bansal, Nevin S (8)
|
MAFSSC |
1:01.27 |
57.29 |
-3.98 |
| 6 |
Kurian, Matthew J (8)
|
MAGPAC |
1:00.68 |
57.78 |
-2.90 |
| 7 |
Del Castillo, Gabriel M (7)
|
MAFSSC |
1:10.88 |
1:01.47 |
-9.41 |
| 8 |
Lin, Jason (6)
|
MAUN-4 |
1:00.26 |
1:02.22 |
1.96 |
| 9 |
Marvel, Lucas B (8)
|
MAFSSC |
|
1:05.36 |
- |
|
Del Castillo, Joshua J (6)
|
MAFSSC |
|
DQ |
- |
|
Adones Jr, Alexander P (7)
|
MATRA |
|
DQ |
- |
|
Pawlus, Kruize A (7)
|
MAGPAC |
1:00.44 |
NS |
- |