| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Strickland, Owen M (8)
|
PVNCAP |
35.24 |
34.20 |
-1.04 |
| 2 |
O'Toole, Aidan M (8)
|
PVMACH |
36.61 |
39.05 |
2.44 |
| 3 |
Nguyen, Declan L (7)
|
PVMACH |
40.73 |
41.63 |
0.90 |
| 4 |
DeVito, Jonathan T (7)
|
PVNCAP |
45.52 |
41.86 |
-3.66 |
| 5 |
Magee, Andrew J (8)
|
PVPM |
41.91 |
42.16 |
0.25 |
| 6 |
Kasemsuwannakaeth, Gritin (8)
|
PVMACH |
42.41 |
45.48 |
3.07 |
| 7 |
Ghazal, Zaidan L (8)
|
PVMACH |
47.24 |
47.98 |
0.74 |
| 8 |
Ghimire, Sambridha N (7)
|
PVNCAP |
53.34 |
51.87 |
-1.47 |
| 9 |
Webb, Chase A (8)
|
PVMACH |
49.05 |
52.80 |
3.75 |
| 10 |
Williams, George M (7)
|
PVMACH |
49.93 |
52.94 |
3.01 |
| 11 |
Lewis, Joseph E (8)
|
PVPM |
1:06.43 |
1:00.10 |
-6.33 |
| 12 |
Branham, Liam J (8)
|
PVMACH |
54.24 |
1:02.10 |
7.86 |
| 13 |
Gadila, Rudra Kirtan R (7)
|
PVPM |
|
1:12.15 |
- |
|
Ananthuni, Ayush N (7)
|
PVPM |
|
DQ |
- |