| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Vizin-Esquivel, Daniel R (16)
|
ILTIDE |
1:08.65 |
1:08.29 |
-0.36 |
| 2 |
Hardy, Caden S (17)
|
ILWSO |
1:10.85 |
1:11.25 |
0.40 |
| 3 |
Tunggal, Nathaniel G (17)
|
ILTIDE |
1:09.76 |
1:12.09 |
2.33 |
| 4 |
Finley, Sean J (18)
|
ILLWSA |
1:07.86 |
1:12.30 |
4.44 |
| 5 |
Pollack, Michael F (16)
|
ILWSO |
1:22.36 |
1:12.78 |
-9.58 |
| 6 |
Stavenger, Mark T (16)
|
ILWCS |
1:14.51 |
1:15.12 |
0.61 |
| 7 |
Weber, Griffen R (17)
|
INLCB |
1:16.86 |
1:16.60 |
-0.26 |
| 8 |
James, Cameron B (16)
|
ILJPD |
1:17.49 |
1:16.78 |
-0.71 |
| 9 |
Hodge, Mason K (17)
|
ILFVFY |
1:14.01 |
1:18.18 |
4.17 |
| 10 |
Fields, Kenton N (16)
|
INLCB |
1:16.92 |
1:19.03 |
2.11 |
| 11 |
Szymanski, Nathan A (15)
|
ILCWAC |
1:25.37 |
1:19.05 |
-6.32 |
| 12 |
DeMarco, John A (18)
|
ILFVFY |
|
1:19.16 |
- |
| 13 |
Ward, Alex L (16)
|
ILFVFY |
1:26.29 |
1:19.58 |
-6.71 |
| 14 |
Converse, Carson M (15)
|
ILTIDE |
1:24.53 |
1:19.69 |
-4.84 |
| 15 |
Robey, Eric D (16)
|
ILCWAC |
|
1:19.93 |
- |
| 16 |
Walvoord, Nicholas W (16)
|
ILCWAC |
1:22.69 |
1:19.95 |
-2.74 |
| 17 |
Sallay, Aleksandr J (17)
|
ILCWAC |
1:24.59 |
1:20.07 |
-4.52 |
| 18 |
Aguado, Noah B (15)
|
ILTIDE |
1:20.56 |
1:20.08 |
-0.48 |
| 19 |
Clark, Dylan J (15)
|
ILTIDE |
1:26.30 |
1:20.14 |
-6.16 |
| 20 |
Erickson, Michael J (16)
|
ILLWSA |
1:25.62 |
1:21.58 |
-4.04 |
| 21 |
Ferguson, Turner B (15)
|
ILCWAC |
1:21.02 |
1:21.78 |
0.76 |
| 22 |
Su, Hexiang H (16)
|
ILJPD |
|
1:22.64 |
- |
| 23 |
Subasinghe, Yehan S (16)
|
ILMMAC |
1:18.68 |
1:23.13 |
4.45 |
| 24 |
Smith, Marlon O (15)
|
ILWSO |
1:33.83 |
1:24.03 |
-9.80 |
| 25 |
Lehman, Jacob W (17)
|
ILBBSC |
1:23.08 |
1:24.30 |
1.22 |
| 26 |
Angsiwapong, Matthew K (17)
|
ILCWAC |
1:19.19 |
1:24.39 |
5.20 |
| 27 |
Baser, Brendan T (15)
|
ILMMAC |
1:27.63 |
1:25.10 |
-2.53 |
| 28 |
Weizeorick, Michael P (16)
|
ILFVFY |
1:27.95 |
1:25.42 |
-2.53 |
| 29 |
Angsiwapong, Michael T (15)
|
ILCWAC |
|
1:30.37 |
- |
| 30 |
Gerding, Mars C (15)
|
ILCWAC |
1:44.50 |
1:31.12 |
-13.38 |
| 31 |
Smith, Alex J (15)
|
INHHSC |
1:44.67 |
1:35.50 |
-9.17 |
| 32 |
Opyt, Connor J (15)
|
INCPSC |
1:45.83 |
1:38.53 |
-7.30 |
| 33 |
Lehman, George H (16)
|
ILLWSA |
1:47.93 |
1:41.82 |
-6.11 |
| 34 |
Kowal, Jacob T (15)
|
INHHSC |
|
1:44.43 |
- |
| 35 |
Powers, Daniel L (15)
|
ILLWSA |
1:55.83 |
1:58.56 |
2.73 |
|
Wisler, Ethan C (16)
|
INHHSC |
1:39.39 |
NS |
- |
|
Francis, Ashton (16)
|
ILJETS |
1:28.56 |
NS |
- |
|
Xie, Orlando (15)
|
ILCWAC |
1:13.08 |
NS |
- |
|
Warta, Eric T (16)
|
ILWCS |
1:25.49 |
NS |
- |