| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Hickok, Jackson J (10)
|
GUUN |
34.97 |
33.64 |
-1.33 |
| 2 |
Vandertie, Crichton J (10)
|
GUUN |
34.87 |
34.37 |
-0.50 |
| 3 |
Nelson, Jaxon (10)
|
GUUN |
43.62 |
39.63 |
-3.99 |
| 4 |
Cashman, Cullen J (10)
|
NENE |
35.62 |
40.27 |
4.65 |
| 5 |
Rodriguez, Gabrielpaul C (9)
|
GUUN |
40.49 |
41.09 |
0.60 |
| 6 |
Mercing, Jagger J (10)
|
ARTEAM |
45.19 |
41.23 |
-3.96 |
| 7 |
Lopez, Micah (10)
|
ARTEAM |
40.26 |
42.64 |
2.38 |
| 8 |
Carter, Garrett (10)
|
ARTEAM |
50.29 |
49.14 |
-1.15 |
| 9 |
Arnstein, Ethan (10)
|
FLBA |
58.72 |
49.32 |
-9.40 |
| 10 |
Duncan, Thomas (10)
|
ARTEAM |
52.67 |
50.35 |
-2.32 |
| 11 |
Bianchi, Kai (9)
|
FLFL |
45.27 |
53.33 |
8.06 |
| 12 |
Block, Cade (10)
|
SDJRVS |
56.53 |
54.01 |
-2.52 |
|
Zapata, Giovanie (10)
|
FLTV |
42.23 |
DQ |
- |
|
Alder, Lincoln D (9)
|
GUUN |
1:01.98 |
DQ |
- |