| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Clough, Colin T (14)
|
MAHAC |
53.13 |
53.42 |
0.29 |
| 2 |
Shonk, Ethan H (14)
|
MALAC |
53.92 |
54.19 |
0.27 |
| 3 |
Weller, Jason G (14)
|
MAHAC |
57.16 |
56.62 |
-0.54 |
| 4 |
Martin, Nicholas J (14)
|
MAHAC |
1:00.72 |
59.72 |
-1.00 |
| 5 |
Spaulding, Kyle B (14)
|
MALAC |
1:03.56 |
1:00.85 |
-2.71 |
| 6 |
Verma, Aayush (14)
|
MAHAC |
1:03.62 |
1:00.89 |
-2.73 |
| 7 |
Troy, William E (13)
|
MALAC |
1:01.75 |
1:01.50 |
-0.25 |
| 8 |
Wobber, Thomas A (13)
|
MACYA |
1:04.24 |
1:04.81 |
0.57 |
| 9 |
Mailman, Matthew H (13)
|
MAHAC |
1:10.63 |
1:06.46 |
-4.17 |
| 10 |
Kruleski, Benjamin J (13)
|
MACYA |
1:08.91 |
1:12.51 |
3.60 |
| 11 |
Imschweiler, Colin D (14)
|
MACYA |
|
1:26.78 |
- |
| 12 |
Gable, Isaac T (13)
|
MACYA |
|
1:42.94 |
- |