| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Braadt, Aiden R (12)
|
MAPAAC |
32.58 |
31.94 |
-0.64 |
| 1 |
Piccini, Jacob W (11)
|
MAPSC |
38.87 |
36.83 |
-2.04 |
| 2 |
Ritchey, Oliver N (11)
|
MAPAAC |
33.78 |
34.74 |
0.96 |
| 2 |
Krizel, Gabriel P (12)
|
MAPSC |
|
38.82 |
- |
| 3 |
Tsarouhis, Christopher P (11)
|
MAPAAC |
40.15 |
40.01 |
-0.14 |
| 4 |
Friday, Eric D (12)
|
MAPAAC |
46.65 |
41.64 |
-5.01 |
| 5 |
Chi, Kyle L (11)
|
MAPAAC |
46.62 |
46.71 |
0.09 |
| 6 |
DeAngelis, Matthew R (12)
|
MABLUE |
51.20 |
49.84 |
-1.36 |
| 7 |
Dotta, Anthony J (12)
|
MABLUE |
54.02 |
50.29 |
-3.73 |
| 8 |
Shafer, Jackson M (11)
|
MAUN-P |
1:07.85 |
1:06.08 |
-1.77 |
| 9 |
Borkowski, Evan A (12)
|
MAEMAC |
1:10.40 |
1:09.84 |
-0.56 |
|
Teran, Pedro F (12)
|
MAPSC |
|
DQ |
- |