| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Youssef, Mohamed S (10)
|
MRLGAC |
37.09 |
40.67 |
3.58 |
| 2 |
Diao, Alexander B (10)
|
MRFLY |
43.53 |
42.43 |
-1.10 |
| 3 |
Leung, Lance (10)
|
MRFLY |
43.79 |
43.01 |
-0.78 |
| 4 |
Haynes, Mark C (10)
|
MRCIY |
50.03 |
45.02 |
-5.01 |
| 5 |
Chariah, Joshua S (8)
|
MRLGAC |
46.79 |
45.22 |
-1.57 |
| 6 |
Dwyer, Daniel P (10)
|
MRCIY |
44.79 |
45.69 |
0.90 |
| 7 |
Davis-Whittaker, Jose (10)
|
MRFLY |
46.40 |
47.31 |
0.91 |
| 8 |
Lim, James (10)
|
MRFLY |
50.45 |
47.34 |
-3.11 |
| 9 |
Mountantonakis, Emmanouil S (10)
|
MRFLY |
45.88 |
47.39 |
1.51 |
| 10 |
O'Sullivan, Kealan J (10)
|
MRCIY |
45.91 |
48.04 |
2.13 |
| 11 |
Lee, Jayden M (10)
|
MRFLY |
51.94 |
49.89 |
-2.05 |
| 12 |
Lee, Joshua (9)
|
MRLGAC |
55.21 |
53.21 |
-2.00 |
| 13 |
Dragan, John B (9)
|
MRCIY |
|
54.40 |
- |
| 14 |
Pasumarthi, Arya (9)
|
MRLGAC |
50.06 |
58.12 |
8.06 |
| 15 |
Pique, Billy-jazz R (8)
|
MRLGAC |
1:04.12 |
59.61 |
-4.51 |
|
Bae, Sean J (9)
|
MRCIY |
|
DQ |
- |
|
Ramirez, Aiden J (9)
|
MRLGAC |
49.67 |
DQ |
- |
|
Sungrab, Henry T (8)
|
MRLGAC |
1:02.62 |
DQ |
- |