| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lamberti, Cole R (8)
|
ILECST |
15.64 |
15.43 |
-0.21 |
| 2 |
Martinez, Paul A (8)
|
ILDCST |
15.57 |
15.60 |
0.03 |
| 3 |
Bruesch, Camden M (8)
|
ILTIDE |
16.52 |
15.81 |
-0.71 |
| 4 |
Welt, Parker L (7)
|
ILFAST |
16.00 |
15.88 |
-0.12 |
| 5 |
Rhodes, Elijah J (7)
|
ILMARL |
15.61 |
16.00 |
0.39 |
| 6 |
Politsch, Emmit M (8)
|
ILBTS |
16.59 |
17.10 |
0.51 |
| 7 |
Evans, Benden R (8)
|
ILDCST |
18.00 |
17.99 |
-0.01 |
| 8 |
Milewski, Roman J (8)
|
ILDCST |
18.03 |
18.07 |
0.04 |
| 9 |
Thompson, Hunter P (8)
|
ILMARL |
16.91 |
18.94 |
2.03 |
| 10 |
Rafea, Amir (8)
|
ILDCST |
19.90 |
19.65 |
-0.25 |
| 11 |
Ramos, Leonardo * (6)
|
ILFVFY |
18.41 |
20.12 |
1.71 |
| 12 |
Gillibrand, Quin E (7)
|
ILFVFY |
22.54 |
20.61 |
-1.93 |
| 13 |
Ringler, Carrington K (7)
|
ILFVFY |
21.13 |
21.10 |
-0.03 |
| 14 |
Del Rosario, Nathan A (8)
|
ILECST |
21.32 |
21.39 |
0.07 |
| 15 |
Almusfi, Kareem (8)
|
ILDCST |
23.12 |
21.88 |
-1.24 |
| 16 |
Minnihan, Grant A (8)
|
ILTIDE |
23.12 |
22.01 |
-1.11 |
| 17 |
Ochs, Frankie A (5)
|
ILTIDE |
25.73 |
22.17 |
-3.56 |
| 18 |
Simon, Tyler P (7)
|
ILTIDE |
|
22.80 |
- |
| 19 |
Mitchel, Johnathon N (7)
|
ILMAC |
23.95 |
22.97 |
-0.98 |
| 20 |
Ramirez, Jameson P (8)
|
ILTIDE |
25.49 |
23.13 |
-2.36 |
| 21 |
Lamberti, Ethan D (6)
|
ILECST |
26.78 |
24.50 |
-2.28 |
| 22 |
Smrz, Ethan T (8)
|
ILDCST |
31.45 |
25.32 |
-6.13 |
| 23 |
Petersen, Luke D (8)
|
ILFVFY |
26.40 |
26.46 |
0.06 |
| 24 |
Clapp Duhau, Leo (8)
|
ILDCST |
28.26 |
27.75 |
-0.51 |
| 25 |
Evans, William G (6)
|
ILDCST |
29.51 |
29.95 |
0.44 |
| 26 |
Neukirch, Jaxson T (7)
|
ILTIDE |
32.20 |
30.17 |
-2.03 |
| 27 |
Neukirch, Jameson J (6)
|
ILTIDE |
35.31 |
33.47 |
-1.84 |