| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Whaley, Graham (10)
|
KYNEY |
49.40 |
47.18 |
-2.22 |
| 2 |
Saufley, Beckett (10)
|
KYNLY |
49.70 |
47.49 |
-2.21 |
| 3 |
Brajuha, Luca A (10)
|
KYBYB |
45.71 |
47.55 |
1.84 |
| 4 |
Linnen, Jason (10)
|
KYNLY |
48.54 |
48.81 |
0.27 |
| 5 |
Noh, Mincheol (10)
|
KYBYB |
48.98 |
49.89 |
0.91 |
| 6 |
Turvey, Landon (10)
|
KYPBCY |
49.56 |
50.10 |
0.54 |
| 7 |
Blair, Elijah (10)
|
KYNLY |
49.74 |
50.51 |
0.77 |
| 8 |
Erwin, Carter H (9)
|
KYBYB |
51.58 |
52.66 |
1.08 |
| 9 |
Cornely, Quinn (10)
|
KYNEY |
54.75 |
54.07 |
-0.68 |
| 10 |
Humphrey, Brayden (9)
|
KYNEY |
52.34 |
54.13 |
1.79 |
| 11 |
Nickels, Ariston J (9)
|
KYBYB |
1:02.24 |
58.21 |
-4.03 |
| 12 |
Vaish, Shiva G (9)
|
KYBYB |
54.24 |
1:00.13 |
5.89 |
| 13 |
Chappell, Guy L (9)
|
KYBYB |
|
1:07.24 |
- |
| 14 |
Nandanoor, Naren S (10)
|
KYBYB |
|
1:09.85 |
- |
| 15 |
Hardesty, James E (9)
|
KYAAY |
1:07.30 |
1:13.12 |
5.82 |
|
Kennoy, Nathan (10)
|
KYNLY |
|
DQ |
- |
|
Miranda, Maximiliano (9)
|
KYNLY |
|
DQ |
- |
|
Pangan, Miguel Caleb D (10)
|
KYAAY |
|
DQ |
- |