| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ko, Hayden (10)
|
MRNYCP |
32.32 |
32.41 |
0.09 |
| 2 |
Doyle, Charles (10)
|
MRCAS |
33.88 |
33.69 |
-0.19 |
| 3 |
Radoslovich, Steven A (9)
|
MRLIAC |
36.29 |
36.46 |
0.17 |
| 4 |
Nichi, Cristian A (10)
|
MRHS |
42.35 |
36.51 |
-5.84 |
| 5 |
Flaherty, Sean P (10)
|
MRPATS |
42.16 |
40.23 |
-1.93 |
| 6 |
Kirin, Alex K (10)
|
MRLIAC |
46.61 |
42.82 |
-3.79 |
| 7 |
Chang, Caiden (10)
|
MRLIAC |
50.69 |
44.57 |
-6.12 |
| 8 |
Lai, Matthew * (10)
|
MRHS |
52.11 |
46.83 |
-5.28 |
| 9 |
Cheung, Ethan (9)
|
MRLIAC |
48.96 |
47.48 |
-1.48 |
| 10 |
Hefelfinger, Graham W (9)
|
MRLIAC |
50.36 |
51.03 |
0.67 |
| 11 |
Mejia, Andres F (9)
|
MRLIAC |
49.55 |
51.35 |
1.80 |
| 12 |
Cheung, Caden (9)
|
MRLIAC |
1:01.26 |
1:00.35 |
-0.91 |
| 13 |
Duffy, James O (10)
|
MRLIAC |
1:06.76 |
1:00.78 |
-5.98 |
| 14 |
Bertrand, Andrew R (9)
|
MRLIAC |
1:02.93 |
1:01.61 |
-1.32 |
| 15 |
Asady, Sebastian B (10)
|
MRLIAC |
57.93 |
1:03.52 |
5.59 |
| 16 |
Deneen, James E (9)
|
MRLIAC |
59.24 |
1:03.60 |
4.36 |
| 17 |
Sanchez, Romeo G (9)
|
MRLIAC |
1:08.77 |
1:07.97 |
-0.80 |
| 18 |
Diamantis, Evangelos N (9)
|
MRLIAC |
1:08.02 |
1:08.03 |
0.01 |
| 19 |
Tjoa, Nicholas Y (10)
|
MRSSL |
1:10.50 |
1:08.24 |
-2.26 |
| 20 |
Yuen, Owen (9)
|
MRLIAC |
1:15.00 |
1:24.39 |
9.39 |
| 21 |
Vidals, Anthony (10)
|
MRAPEX |
43.14 |
DQ |
- |