| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Jones, Cooper D (8)
|
PVYORK |
47.01 |
47.36 |
0.35 |
| 2 |
Sheriff, Kai M (8)
|
PVYORK |
50.97 |
50.76 |
-0.21 |
| 3 |
Korolev, Ilya G (8)
|
PVMACH |
51.91 |
51.28 |
-0.63 |
| 4 |
Lindroos, Ciaran S (8)
|
PVYORK |
54.15 |
51.90 |
-2.25 |
| 5 |
Philogene, Noah G (8)
|
PVMACH |
51.29 |
53.21 |
1.92 |
| 6 |
Nguyen, Gabriel I (8)
|
PVYORK |
1:00.45 |
57.09 |
-3.36 |
| 7 |
Donnelly, Brennan P (7)
|
PVMAKO |
58.05 |
57.28 |
-0.77 |
| 8 |
Grundhoefer, Finn S (7)
|
PVYORK |
1:00.07 |
58.96 |
-1.11 |
| 9 |
Bradley, Finn F (8)
|
PVMAKO |
59.17 |
59.43 |
0.26 |
| 10 |
Devlin, Jonathan M (7)
|
PVMAKO |
1:02.91 |
1:02.94 |
0.03 |
| 11 |
Kriz, Nathan P (8)
|
PVYORK |
59.74 |
1:03.20 |
3.46 |
| 12 |
Skelton, Flynn J (8)
|
PVYORK |
|
1:03.87 |
- |
| 13 |
Silver, William F (8)
|
PVYORK |
|
1:03.93 |
- |
| 14 |
Yip-Ward, Spencer G (8)
|
PVMACH |
1:06.46 |
1:09.45 |
2.99 |
| 15 |
Amaya, Cristiano F (8)
|
PVPM |
1:07.14 |
1:10.35 |
3.21 |
| 16 |
Hoil, Lucas V (8)
|
PVYORK |
|
1:11.75 |
- |
|
Couchara, Henry W (7)
|
PVYORK |
|
DQ |
- |
|
Van Brackle, Henry L (8)
|
PVMAKO |
1:06.41 |
DQ |
- |
|
Ferssizidis, Haralabos (8)
|
PVPM |
|
NS |
- |
|
Bumiller, Mason J (8)
|
PVMAKO |
|
NS |
- |