| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Chau, Calvin W (16)
|
MRCIY |
25.70 |
24.67 |
-1.03 |
| 2 |
O'Sullivan, Kealan J (15)
|
MRCIY |
29.56 |
27.26 |
-2.30 |
| 3 |
Dwyer, Daniel P (16)
|
MRCIY |
30.10 |
27.53 |
-2.57 |
| 4 |
Lang, Justin Z (17)
|
MRFLY |
|
27.82 |
- |
| 5 |
Coronado, Justin O (17)
|
MRCIY |
27.92 |
27.85 |
-0.07 |
| 6 |
Ou, Toby Y (16)
|
MRFLY |
|
28.41 |
- |
| 7 |
Valdivia, Leonardo A (17)
|
MRFLY |
33.59 |
29.64 |
-3.95 |
| 8 |
Lim, Daniel (15)
|
MRFLY |
|
32.64 |
- |
| 9 |
Man, Daniel (12)
|
MRFLY |
|
37.86 |
- |
| 10 |
Dwyer, Sam M (12)
|
MRCIY |
37.89 |
39.30 |
1.41 |
|
Carrington, Zechariah K (15)
|
MRCIY |
35.60 |
NS |
- |
|
Cordova, Christian M (16)
|
MRCIY |
26.94 |
NS |
- |
|
Lim, James (15)
|
MRFLY |
27.63 |
NS |
- |
|
Lin, Jordan (17)
|
MRFLY |
32.26 |
NS |
- |