| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Qu, Sirui (12)
|
MRFLY |
29.98 |
31.15 |
1.17 |
| 2 |
Lyashchenko, Serge S (12)
|
MRLGAC |
31.20 |
32.37 |
1.17 |
| 3 |
O'Sullivan, Tiarnan M (12)
|
MRLGAC |
37.26 |
35.26 |
-2.00 |
| 4 |
Perr, Ryan J (11)
|
MRLGAC |
35.52 |
35.78 |
0.26 |
| 5 |
Tjan, Jaden L (11)
|
MRLGAC |
39.69 |
39.83 |
0.14 |
| 6 |
Chen, Aidan (12)
|
MRRED |
50.09 |
40.36 |
-9.73 |
| 7 |
McGaw, Owen (11)
|
MRHYB |
45.46 |
40.50 |
-4.96 |
| 8 |
Dansker, Tyler L (12)
|
MRCIY |
42.81 |
40.99 |
-1.82 |
| 9 |
Sundberg, Kaiden C (12)
|
MRHYB |
44.70 |
42.06 |
-2.64 |
| 10 |
Aguilar, Emiliano (11)
|
MRRED |
50.09 |
44.52 |
-5.57 |
| 11 |
Mei, Jayden (11)
|
MRFLY |
43.35 |
46.26 |
2.91 |
| 12 |
Wang, James B (12)
|
MRHYB |
47.67 |
47.76 |
0.09 |
| 13 |
Soares, Aiden M (12)
|
MRCIY |
49.69 |
53.43 |
3.74 |
| 14 |
Ramirez, Antonio E (11)
|
MRCIY |
1:08.57 |
59.67 |
-8.90 |
|
Aouchiche, Adam S (11)
|
MRFLY |
39.81 |
NS |
- |