| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Litwiller, Isaac L (12)
|
ILCWAC |
34.81 |
35.31 |
0.50 |
| 2 |
Rosenbaum, Robbie (11)
|
ILMMAC |
|
36.21 |
- |
| 3 |
Mosley, Cameron K (12)
|
INLCB |
37.07 |
36.89 |
-0.18 |
| 4 |
Shah, Rohin V (12)
|
ILCWAC |
36.65 |
37.39 |
0.74 |
| 5 |
Pomykalski, Maxton H (12)
|
ILWSO |
39.01 |
37.50 |
-1.51 |
| 6 |
Barnes, Lucas M (12)
|
INCPSC |
38.07 |
38.04 |
-0.03 |
| 7 |
Hess, Anthony J (12)
|
ILTIDE |
47.56 |
38.15 |
-9.41 |
| 8 |
Lippoldt, Owen O (12)
|
ILFVFY |
40.04 |
38.41 |
-1.63 |
| 9 |
Swafford, Eli A (12)
|
ILBBSC |
|
39.00 |
- |
| 9 |
Gricus, Billy J (12)
|
ILCWAC |
39.02 |
39.00 |
-0.02 |
| 11 |
Slattery, Caleb A (11)
|
ILWCS |
39.10 |
39.05 |
-0.05 |
| 12 |
Torres, Aidan E (12)
|
ILFVFY |
47.36 |
39.40 |
-7.96 |
| 13 |
Pacheco, Dylan L (11)
|
INLCB |
39.09 |
39.76 |
0.67 |
| 14 |
Pech, Aiden R (12)
|
ILTIDE |
|
40.29 |
- |
| 15 |
Scott, Daniel W (11)
|
ILCWAC |
41.68 |
40.45 |
-1.23 |
| 16 |
Billingsley, Benjamin K (11)
|
INLCB |
41.82 |
40.74 |
-1.08 |
| 16 |
Routier, Lincoln B (12)
|
ILCWAC |
43.16 |
40.74 |
-2.42 |
| 18 |
McLernon, Angelo S (12)
|
ILTIDE |
50.32 |
41.30 |
-9.02 |
| 19 |
Carranza, Angel (11)
|
INCPSC |
45.17 |
43.07 |
-2.10 |
| 20 |
Hoelle, Louis C (12)
|
ILLWSA |
41.74 |
43.10 |
1.36 |
| 21 |
Stahl, Brody D (12)
|
ILFVFY |
48.79 |
43.65 |
-5.14 |
| 21 |
Kranig, Logan M (11)
|
ILMMAC |
|
43.65 |
- |
| 23 |
Torri, Joshua D (11)
|
ILLWSA |
47.95 |
43.88 |
-4.07 |
| 24 |
Castillo, Gabriel P (11)
|
INCPSC |
44.01 |
44.08 |
0.07 |
| 25 |
Roedl, Alexander P (12)
|
ILLWSA |
48.91 |
44.24 |
-4.67 |
| 26 |
Barnes, Jackson H (11)
|
INCPSC |
|
44.46 |
- |
| 26 |
Bahr, Walter E (11)
|
INCPSC |
45.06 |
44.46 |
-0.60 |
| 28 |
Hulett, Connor E (11)
|
ILTIDE |
55.77 |
45.90 |
-9.87 |
| 29 |
Hofsommer, Tyler D (11)
|
ILLWSA |
48.24 |
46.10 |
-2.14 |
| 30 |
Steinfels, Andrew P (11)
|
ILNEPT |
53.24 |
46.67 |
-6.57 |
| 31 |
Faxel, Griffin R (12)
|
ILLWSA |
48.62 |
46.88 |
-1.74 |
| 32 |
Harb, Princeton A (11)
|
INHHSC |
1:07.58 |
47.36 |
-20.22 |
| 33 |
Medel, Ryan M (11)
|
ILLWSA |
44.64 |
47.99 |
3.35 |
| 34 |
Spasevski, Eli L (11)
|
INCPSC |
|
48.60 |
- |
| 35 |
Swais, Matthew (12)
|
ILPOSA |
51.75 |
49.07 |
-2.68 |
| 36 |
Smoley, William S (11)
|
ILWCS |
53.39 |
51.02 |
-2.37 |
| 37 |
Hemenover, Mason J (11)
|
ILBBSC |
|
51.70 |
- |
| 38 |
Grayson, Darion K (11)
|
ILLWSA |
|
53.56 |
- |
| 39 |
Kamper, Luke D (12)
|
ILBBSC |
52.65 |
53.93 |
1.28 |
| 40 |
Rodriguez, Logan J (11)
|
ILJPD |
1:03.21 |
54.57 |
-8.64 |
| 41 |
Roberts, Owen M (11)
|
ILFVFY |
|
55.18 |
- |
| 42 |
Janowiak, Mateusz M (12)
|
ILJETS |
|
56.94 |
- |
|
Schuster, Chyler D (11)
|
INLCB |
|
DQ |
- |
|
Jones, Logan P (11)
|
ILLWSA |
1:04.63 |
NS |
- |
|
Mika, Pierson R (12)
|
ILJETS |
|
NS |
- |
|
Coyle, Colm M (12)
|
ILPOSA |
|
NS |
- |
|
Houlihan, Lucas A (11)
|
ILJPD |
1:00.00 |
NS |
- |