| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lyashchenko, Serge S (12)
|
MRLGAC |
28.89 |
28.99 |
0.10 |
| 2 |
Qu, Sirui (12)
|
MRFLY |
29.70 |
30.25 |
0.55 |
| 3 |
Perr, Ryan J (11)
|
MRLGAC |
33.85 |
32.85 |
-1.00 |
| 4 |
O'Sullivan, Tiarnan M (12)
|
MRLGAC |
33.12 |
33.13 |
0.01 |
| 5 |
Luczaj, Daniel (12)
|
MRLGAC |
35.71 |
35.66 |
-0.05 |
| 6 |
Tjan, Jaden L (11)
|
MRLGAC |
37.41 |
37.08 |
-0.33 |
| 7 |
Coquinco, Nicholas D (11)
|
MRCIY |
36.00 |
38.60 |
2.60 |
| 8 |
McGaw, Owen (11)
|
MRHYB |
|
42.78 |
- |
| 9 |
Sundberg, Kaiden C (12)
|
MRHYB |
46.27 |
43.38 |
-2.89 |
| 10 |
Aouchiche, Adam S (11)
|
MRFLY |
45.06 |
45.33 |
0.27 |
| 11 |
Johnson, Matthew (12)
|
MRHYB |
|
49.47 |
- |
| 12 |
Su, Leonardo (11)
|
MRCIY |
58.49 |
51.99 |
-6.50 |