| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Schrader, Ethan R (9)
|
ILDLTA |
1:16.18 |
1:13.87 |
-2.31 |
| 2 |
Maere, Skylar T (10)
|
ILMARL |
1:15.71 |
1:14.16 |
-1.55 |
| 3 |
Gilmore, Nicholas H (10)
|
ILSPY |
1:18.00 |
1:15.52 |
-2.48 |
| 4 |
Rauther, Hamzah (9)
|
ILHEAT |
1:20.27 |
1:18.39 |
-1.88 |
| 5 |
Carr, Isaac S (10)
|
ILHEAT |
1:23.38 |
1:20.22 |
-3.16 |
| 6 |
Wen, Jeffrey L (10)
|
ILDDST |
1:30.71 |
1:21.95 |
-8.76 |
| 7 |
Tang, Bruce R (10)
|
ILHEAT |
1:22.59 |
1:24.58 |
1.99 |
| 8 |
Macasaet, Josh A (10)
|
ILDLTA |
1:24.04 |
1:24.86 |
0.82 |
| 9 |
Gilmore, Sullivan (9)
|
ILSPY |
1:34.15 |
1:24.98 |
-9.17 |
| 10 |
Bergman, Aden K (10)
|
ILHEAT |
1:27.98 |
1:25.37 |
-2.61 |
| 11 |
Boerke, Landon K (10)
|
ILPAWW |
|
1:26.54 |
- |
| 12 |
Pyle, Wade P (9)
|
ILBNSC |
1:37.44 |
1:29.79 |
-7.65 |
| 13 |
Stumpenhorst, Kaleb P (9)
|
ILDLTA |
1:49.36 |
1:31.40 |
-17.96 |
| 14 |
Grinko, Maksim (10)
|
ILDLTA |
1:47.05 |
1:32.92 |
-14.13 |
| 15 |
Reckamp, Troy U (9)
|
ILMARL |
1:36.57 |
1:35.32 |
-1.25 |
| 16 |
Walliker, Logan A (10)
|
ILPAWW |
1:32.48 |
1:35.49 |
3.01 |
| 17 |
Crull, Aiden C (9)
|
ILPAWW |
|
1:36.30 |
- |
| 18 |
Qu, Richard (10)
|
ILDDST |
1:22.52 |
1:37.03 |
14.51 |
| 19 |
Rackauskas, Paxton G (10)
|
ILDDST |
1:35.86 |
1:37.39 |
1.53 |
| 20 |
Darcy, Cogan A (9)
|
ILBNSC |
|
1:44.02 |
- |
| 21 |
Turner, Joshua M (9)
|
ILDLTA |
|
1:44.25 |
- |
| 22 |
Devanna, Connor W (9)
|
ILDDST |
1:46.92 |
1:44.29 |
-2.63 |
|
Evans, Jack W (9)
|
ILSPY |
|
DQ |
- |
|
Smith, Jason M (10)
|
ILBNSC |
1:50.09 |
DQ |
- |