| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lian, Yulong E (12)
|
NEATST |
30.87 |
29.47 |
-1.40 |
| 2 |
Arquillano, Melson Jayven L (12)
|
NEHAY |
31.72 |
30.16 |
-1.56 |
| 3 |
Allen, Evan B (12)
|
NEESC |
30.20 |
30.86 |
0.66 |
| 4 |
Day, Rudd T (11)
|
NESTS |
32.86 |
31.05 |
-1.81 |
| 5 |
Kennedy, Samuel P (12)
|
NEATST |
34.12 |
31.14 |
-2.98 |
| 6 |
Giles, Ivan A (12)
|
NEANA |
32.05 |
31.25 |
-0.80 |
| 7 |
McDonald, Callum B (12)
|
NEATST |
34.01 |
31.54 |
-2.47 |
| 8 |
Coel, Daniel O (12)
|
NEEDGE |
|
31.82 |
- |
| 9 |
Lu, Ethan T (11)
|
NEMWYS |
33.05 |
32.56 |
-0.49 |
| 10 |
Rice, Dawson J (11)
|
NEPVAA |
32.78 |
32.81 |
0.03 |
| 11 |
Fung, Dylan P (12)
|
NESTRM |
34.56 |
32.82 |
-1.74 |
| 12 |
Wang, Benjamin (12)
|
NEHAY |
38.72 |
33.25 |
-5.47 |
| 13 |
Gagnon, Luc M (12)
|
NEEDGE |
|
33.47 |
- |
| 14 |
Crisafulli, Dominic J (12)
|
NEMWYS |
36.56 |
34.61 |
-1.95 |
| 15 |
Gammell, Finan M (11)
|
NEUN |
34.89 |
34.74 |
-0.15 |
| 16 |
Jewett, Dylan M (11)
|
NESTRM |
36.02 |
34.80 |
-1.22 |
| 17 |
Jo, Matthew H (11)
|
NEANA |
36.08 |
35.15 |
-0.93 |
| 18 |
Kafel, Joshua J (12)
|
NEHAY |
|
35.39 |
- |
| 19 |
Liu, Brandon G (11)
|
NEMWYS |
38.17 |
35.40 |
-2.77 |
| 20 |
Daily, Noah G (11)
|
NEINF |
38.89 |
35.41 |
-3.48 |
| 21 |
Franciosi, Bennett T (12)
|
NEHAY |
37.94 |
35.72 |
-2.22 |
| 22 |
Wang, William W (12)
|
NEMWYS |
35.65 |
36.14 |
0.49 |
| 23 |
French, Jack A (11)
|
NEEDGE |
37.50 |
36.18 |
-1.32 |
| 24 |
Rao, Ikshaan U (12)
|
NEUN |
36.61 |
37.34 |
0.73 |
| 25 |
Tyagi, Arav (12)
|
NEHAY |
53.90 |
38.56 |
-15.34 |
| 26 |
Sanchez, Kevin S (11)
|
NEPVAA |
38.58 |
39.32 |
0.74 |
| 27 |
Do, Arthur J (11)
|
NEHAY |
|
44.30 |
- |
|
Shi, You H (11)
|
NEMWYS |
43.19 |
DQ |
- |