| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Hoye, Jonas (17)
|
MRLGAC |
21.86 |
21.66 |
-0.20 |
| 2 |
Dwyer, Daniel P (16)
|
MRCIY |
22.99 |
23.17 |
0.18 |
| 3 |
Nieves, Gabriel J (17)
|
MRCIY |
24.19 |
23.92 |
-0.27 |
| 4 |
O'Sullivan, Kealan J (16)
|
MRCIY |
23.78 |
24.51 |
0.73 |
| 5 |
Cordova, Christian M (17)
|
MRCIY |
23.36 |
24.89 |
1.53 |
| 6 |
Ou, Toby Y (17)
|
MRFLY |
25.24 |
24.96 |
-0.28 |
| 7 |
Jing, Haniel (15)
|
MRLGAC |
27.71 |
26.22 |
-1.49 |
| 8 |
Lim, Daniel (15)
|
MRFLY |
26.50 |
26.26 |
-0.24 |
| 9 |
Milien, Jeremiah E (16)
|
MRFLY |
26.94 |
26.58 |
-0.36 |
| 10 |
Carrington, Zechariah K (15)
|
MRCIY |
28.64 |
27.76 |
-0.88 |
| 11 |
Gomaa, Marwan (15)
|
MRFLY |
|
28.66 |
- |
| 12 |
Yau, Connor (15)
|
MRFLY |
28.44 |
28.77 |
0.33 |
| 13 |
Wong, Emmitt (15)
|
MRFLY |
31.06 |
29.88 |
-1.18 |