| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Strickland, Owen M (8)
|
PVNCAP |
44.03 |
40.49 |
-3.54 |
| 2 |
Sturgill, Josiah W (8)
|
PVMACH |
40.82 |
42.09 |
1.27 |
| 3 |
Wu, Gabriel B (8)
|
PVMACH |
46.59 |
44.78 |
-1.81 |
| 4 |
O'Toole, Aidan M (8)
|
PVMACH |
|
45.63 |
- |
| 5 |
McDonough, Desmond C (8)
|
PVPM |
44.26 |
45.96 |
1.70 |
| 6 |
Vladimiroff, Daniel (8)
|
PVMACH |
45.36 |
46.79 |
1.43 |
| 7 |
Kasemsuwannakaeth, Gritin (8)
|
PVMACH |
48.90 |
50.13 |
1.23 |
| 8 |
Osten, Elijah E (7)
|
PVMACH |
50.87 |
56.10 |
5.23 |
| 9 |
Lewis, Joseph E (8)
|
PVPM |
1:16.81 |
1:02.60 |
-14.21 |
| 10 |
Williams, George M (7)
|
PVMACH |
1:06.78 |
1:06.74 |
-0.04 |
| 11 |
Branham, Liam J (8)
|
PVMACH |
1:04.90 |
1:11.21 |
6.31 |
| 12 |
Gadila, Rudra Kirtan R (7)
|
PVPM |
1:22.65 |
1:41.41 |
18.76 |