| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Borgen, Runar (25)
|
FGPAQ |
48.57 |
52.16 |
3.59 |
| 2 |
Rogatinsky, Andrew J (16)
|
FGPST |
57.84 |
56.35 |
-1.49 |
| 3 |
Mandava, Yeshwanth (15)
|
FGYSF |
56.42 |
57.88 |
1.46 |
| 4 |
Hategan, Darien O (16)
|
FGYSF |
1:01.37 |
1:00.80 |
-0.57 |
| 5 |
Melendez, Manuel J (15)
|
FGSOFL |
|
1:02.07 |
- |
| 6 |
Rivera, Brandon (16)
|
FGYSF |
1:03.52 |
1:02.78 |
-0.74 |
| 7 |
Gomez del Campo, Benjamin (15)
|
FGYSF |
1:03.39 |
1:03.05 |
-0.34 |
| 8 |
Kasztner, Kyle T (16)
|
FGPAQ |
1:13.48 |
1:10.02 |
-3.46 |
| 9 |
Vickers, Stone T (17)
|
FGPAQ |
1:21.77 |
1:15.44 |
-6.33 |
| 10 |
Mimick, Ethan M (17)
|
FGPAQ |
1:16.83 |
1:17.14 |
0.31 |
| 11 |
Wulkan, Bryce A (17)
|
FGPAQ |
1:24.90 |
1:17.74 |
-7.16 |
|
Khacherashvili, Volodymyr (15)
|
FGPAQ |
1:23.33 |
NS |
- |
|
Gallet, James D (17)
|
FGPST |
59.89 |
NS |
- |
|
Valdivieso, Mateo A (15)
|
FGPST |
57.15 |
NS |
- |
|
Daniels, Ethan (16)
|
FGYSF |
1:09.51 |
NS |
- |