| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Cebula, Kacper A (17)
|
ILDCST |
57.56 |
1:00.33 |
2.77 |
| 2 |
Hodge, Mason K (17)
|
ILFVFY |
1:02.61 |
1:02.05 |
-0.56 |
| 3 |
McGraw, Beckett J (18)
|
ILFVFY |
1:05.37 |
1:04.48 |
-0.89 |
| 4 |
Golonka, Daniel J (17)
|
ILDCST |
1:01.11 |
1:04.76 |
3.65 |
| 5 |
Biundo, Anthony V (18)
|
ILDCST |
1:07.61 |
1:04.81 |
-2.80 |
| 6 |
Johnson, Noah W (15)
|
ILDCST |
1:06.57 |
1:05.25 |
-1.32 |
| 7 |
Sanahurskyj, Danny (16)
|
ILDCST |
1:04.86 |
1:05.28 |
0.42 |
| 8 |
Schlueter, Domenico C (16)
|
ILDCST |
1:00.91 |
1:05.48 |
4.57 |
| 9 |
Gramer, Jacob D (15)
|
ILDCST |
1:12.06 |
1:06.48 |
-5.58 |
| 10 |
Ginocchio, John C (16)
|
ILFVFY |
1:07.89 |
1:06.68 |
-1.21 |
| 11 |
Lowery, Christopher A (15)
|
ILVY |
1:07.46 |
1:07.30 |
-0.16 |
| 12 |
Harrelson, Gregory M (18)
|
ILDCST |
1:06.25 |
1:07.77 |
1.52 |
| 13 |
Ward, Alex L (16)
|
ILFVFY |
1:09.72 |
1:08.91 |
-0.81 |
| 14 |
Limacher, Gabriel A (17)
|
ILFVFY |
1:11.14 |
1:09.11 |
-2.03 |
| 15 |
Sullivan, Brendan T (16)
|
ILDCST |
1:09.74 |
1:09.90 |
0.16 |
| 16 |
Taylor, Nolan (17)
|
ILRAYS |
|
1:10.82 |
- |
| 17 |
VanderSchee, Calvin A (15)
|
ILDCST |
1:10.56 |
1:13.05 |
2.49 |
| 18 |
Skrzypczynski, Daniel (16)
|
ILRAYS |
1:32.46 |
1:38.53 |
6.07 |
| 19 |
Hodge, Marshall C (17)
|
ILFVFY |
1:53.89 |
2:02.07 |
8.18 |