| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ward, Peyton J (17)
|
MAGPAC |
50.07 |
49.42 |
-0.65 |
| 2 |
Jones, Tanner J (15)
|
MAGPAC |
50.03 |
50.80 |
0.77 |
| 3 |
Murphy, Matthew K (17)
|
MAGPAC |
51.05 |
51.00 |
-0.05 |
| 4 |
Jaramillo, Richard B (17)
|
MAGPAC |
49.57 |
51.42 |
1.85 |
| 5 |
Andrianto, Nicholas (15)
|
MAGPAC |
50.67 |
51.70 |
1.03 |
| 6 |
Ramos, Liam J (15)
|
MAGPAC |
51.69 |
52.18 |
0.49 |
| 7 |
De Guzman, Joshua (16)
|
MAGPAC |
52.30 |
54.36 |
2.06 |
| 8 |
Martinez Delgadillo, Iker (16)
|
MAGPAC |
52.99 |
55.04 |
2.05 |
| 9 |
Tobler, Edward D (15)
|
MAGPAC |
54.52 |
55.35 |
0.83 |
| 10 |
Jackson, Connor D (15)
|
MAGPAC |
56.51 |
56.76 |
0.25 |
| 11 |
Mesco, Luke H (13)
|
MAGPAC |
1:01.27 |
57.14 |
-4.13 |
| 12 |
Toth, William R (14)
|
MAGPAC |
1:01.12 |
59.60 |
-1.52 |
| 13 |
Hillig, Daniel C (13)
|
MAGPAC |
1:06.37 |
1:02.59 |
-3.78 |
| 14 |
Riefenstahl, Holden J (14)
|
MAGPAC |
1:03.74 |
1:03.19 |
-0.55 |
| 15 |
Matyas, Nicholas S (15)
|
MAGPAC |
1:01.02 |
1:03.64 |
2.62 |
| 16 |
Bogan, Connor W (14)
|
MAGPAC |
1:06.44 |
1:04.41 |
-2.03 |
| 17 |
McEvoy, Tripp (13)
|
MAGPAC |
1:26.17 |
1:22.73 |
-3.44 |
| 18 |
Pyfrin, Andrew R (13)
|
MAGPAC |
|
1:38.31 |
- |