| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Qu, Sirui (12)
|
MRFLY |
27.05 |
25.71 |
-1.34 |
| 2 |
Lyashchenko, Serge S (12)
|
MRLGAC |
28.54 |
26.44 |
-2.10 |
| 3 |
Chan, Hugh (12)
|
MRFLY |
27.76 |
27.60 |
-0.16 |
| 4 |
Pietruszka, Bartosz (11)
|
MRLGAC |
32.85 |
28.20 |
-4.65 |
| 6 |
Qu, Wesley (12)
|
MRFLY |
|
29.62 |
- |
| 7 |
Kapala, Kacper L (12)
|
MRLGAC |
32.01 |
30.33 |
-1.68 |
| 8 |
Perr, Ryan J (11)
|
MRLGAC |
34.71 |
30.34 |
-4.37 |
| 9 |
Coquinco, Nicholas D (11)
|
MRCIY |
31.43 |
30.35 |
-1.08 |
| 10 |
Ratling, Phuntsok W (12)
|
MRLGAC |
31.79 |
31.29 |
-0.50 |
| 11 |
Luczaj, Daniel (12)
|
MRLGAC |
33.90 |
31.74 |
-2.16 |
| 12 |
Shim, Peter W (11)
|
MRFLY |
35.34 |
31.80 |
-3.54 |
| 13 |
Tjan, Jaden L (11)
|
MRLGAC |
32.93 |
32.21 |
-0.72 |
| 14 |
Fong, Branden (12)
|
MRLGAC |
39.35 |
33.41 |
-5.94 |
| 15 |
Chen, Samuel (11)
|
MRLGAC |
36.43 |
33.84 |
-2.59 |
| 16 |
Dansker, Tyler L (12)
|
MRCIY |
35.59 |
33.94 |
-1.65 |
| 17 |
Thakur, Jasper (11)
|
MRFLY |
35.92 |
34.49 |
-1.43 |
| 18 |
Aouchiche, Adam S (11)
|
MRFLY |
34.69 |
34.84 |
0.15 |
| 19 |
Mei, Jayden (11)
|
MRFLY |
36.14 |
35.29 |
-0.85 |
| 20 |
Su, Leonardo (11)
|
MRCIY |
44.15 |
41.55 |
-2.60 |
| 21 |
Ramirez, Antonio E (11)
|
MRCIY |
46.91 |
43.73 |
-3.18 |
| 22 |
Soares, Aiden M (12)
|
MRCIY |
46.22 |
46.12 |
-0.10 |
|
Yang, Austin (12)
|
MRFLY |
35.03 |
NS |
- |
|
Huang, Bill (11)
|
MRFLY |
34.34 |
NS |
- |