| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Hadjistamoulou, Anestis (12)
|
ILLATT |
26.95 |
27.44 |
0.49 |
| 2 |
Helfrich, Gage R (11)
|
ILDCST |
28.41 |
28.06 |
-0.35 |
| 3 |
De La Cruz, Samuel S (12)
|
ILDCST |
28.67 |
29.46 |
0.79 |
| 4 |
Torres, Aidan E (11)
|
ILFVFY |
30.16 |
30.17 |
0.01 |
| 5 |
Skrzypek, Alexander E (12)
|
ILDCST |
30.99 |
30.88 |
-0.11 |
| 6 |
Johnson, Evan M (11)
|
ILDCST |
29.90 |
31.32 |
1.42 |
| 7 |
Conroy, Devin L (12)
|
ILLATT |
32.86 |
34.48 |
1.62 |
| 8 |
Smith, Cameron W (12)
|
ILFVFY |
39.12 |
35.25 |
-3.87 |
| 9 |
Spleha, Christopher M (11)
|
ILFVFY |
35.68 |
35.27 |
-0.41 |
| 10 |
Hawkins, Landon B (11)
|
ILFVFY |
36.35 |
35.57 |
-0.78 |
| 11 |
Brestan, Jacob S (12)
|
ILDCST |
42.50 |
37.71 |
-4.79 |
| 12 |
Gilbert, Gavin L (12)
|
ILFVFY |
40.02 |
39.16 |
-0.86 |
| 13 |
Blaise, Jackson B (11)
|
ILDCST |
38.32 |
39.56 |
1.24 |