| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
D'Avi, Jack (14)
|
FGYSF |
26.43 |
27.35 |
0.92 |
| 2 |
Taylor, Riley J (13)
|
FGFAST |
28.08 |
27.79 |
-0.29 |
| 3 |
Alvarez, Angel (15)
|
FGASC |
28.54 |
29.25 |
0.71 |
| 4 |
Nordheim, Ryan E (14)
|
FGSAS |
29.35 |
29.48 |
0.13 |
| 5 |
Rosas, Juan A (15)
|
FGYSF |
30.15 |
30.37 |
0.22 |
| 6 |
Miller, Maxwell A (16)
|
FGYSF |
27.78 |
30.74 |
2.96 |
| 7 |
Sanchez, Michael (15)
|
FGASC |
31.23 |
31.03 |
-0.20 |
| 8 |
Marrero, Manuel (15)
|
FGASC |
31.25 |
31.31 |
0.06 |
| 9 |
Schwartz, Benjamin E (14)
|
FGSAS |
31.79 |
31.75 |
-0.04 |
| 10 |
De la Cruz, Julio (16)
|
FGASC |
30.69 |
33.08 |
2.39 |
| 11 |
Kasztner, Kyle T (15)
|
FGPAQ |
33.33 |
33.45 |
0.12 |
| 12 |
Gashimov, Anvar (13)
|
FGPAQ |
32.37 |
33.88 |
1.51 |
| 13 |
Galan Aldeanueva, Gonzalo (13)
|
FGSAS |
37.70 |
36.11 |
-1.59 |
| 14 |
Alonso, Eliot (14)
|
FGASC |
41.39 |
37.32 |
-4.07 |
| 15 |
Cominsky, Brandon (15)
|
FGASC |
|
39.13 |
- |
| 16 |
Wulkan, Bryce A (15)
|
FGPAQ |
39.03 |
40.94 |
1.91 |
| 17 |
Abundez, Cristian (13)
|
FGASC |
41.17 |
41.32 |
0.15 |
| 18 |
Vickers, Stone T (15)
|
FGPAQ |
40.85 |
41.64 |
0.79 |
| 19 |
Prieto, Andres D (13)
|
FGFAST |
46.82 |
41.73 |
-5.09 |
| 20 |
Mimick, Ethan M (16)
|
FGPAQ |
|
43.93 |
- |