| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Jabour, Rocco S (12)
|
ADUSAM |
28.62 |
28.54 |
-0.08 |
| 2 |
Wang, Samuel C (12)
|
ADSCHE |
30.77 |
29.81 |
-0.96 |
| 3 |
Jerome, Jude C (11)
|
ADUSAM |
29.46 |
30.45 |
0.99 |
| 4 |
Mastro, Nicholas J (11)
|
ADTAC |
34.49 |
30.56 |
-3.93 |
| 5 |
Lohse, Magnus (11)
|
ADSARY |
31.24 |
31.03 |
-0.21 |
| 6 |
Banaszewski, Calvin M (12)
|
ADSCHE |
33.22 |
31.09 |
-2.13 |
| 7 |
Carignan, Nicholas A (12)
|
ADSARY |
33.59 |
32.06 |
-1.53 |
| 8 |
Nikodem, Carter J (11)
|
ADSCHE |
32.59 |
33.26 |
0.67 |
| 9 |
Daly, Ryan W (11)
|
ADSCHE |
41.58 |
33.52 |
-8.06 |
| 10 |
Dashiell, Michael W (11)
|
ADSCHE |
37.73 |
35.09 |
-2.64 |
| 11 |
Andreini, Finn M (12)
|
ADSCHE |
37.54 |
37.03 |
-0.51 |
| 12 |
Wilford, Juneau A (12)
|
ADSCHE |
39.65 |
39.32 |
-0.33 |
| 13 |
Mazurowski, Emmett K (11)
|
ADSCHE |
41.50 |
42.84 |
1.34 |
| 14 |
Barnoski, William C (11)
|
ADSCHE |
45.92 |
44.05 |
-1.87 |
| 15 |
Pecunia, Clayton J (11)
|
ADSARY |
39.96 |
44.96 |
5.00 |
| 16 |
Trujillo, Lucas (11)
|
ADSCHE |
49.14 |
45.51 |
-3.63 |
| 17 |
Mainoo, Jacob O (11)
|
ADSCHE |
|
52.94 |
- |
| 18 |
Tuohy, Miles J (11)
|
ADSCHE |
|
57.76 |
- |
| 19 |
Russell, Ryan H (11)
|
ADSCHE |
|
1:05.42 |
- |
|
Kardos, Henrik I (12)
|
ADSCHE |
42.69 |
DQ |
- |
|
Crowley, Mason C (12)
|
ADTAC |
28.63 |
NS |
- |
|
Young, Liam D (12)
|
ADTAC |
29.72 |
NS |
- |