| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Pluskwa, Connor J (10)
|
ILSCST |
35.62 |
35.22 |
-0.40 |
| 2 |
Rybaski, Hayden C (10)
|
ILSCST |
40.25 |
38.55 |
-1.70 |
| 3 |
Schmidt, Nicholas J (9)
|
ILLWSA |
53.16 |
42.90 |
-10.26 |
| 4 |
Landorf, George A (10)
|
ILLIFE |
|
44.63 |
- |
| 5 |
Barajas, Alexander (10)
|
INMSC |
|
45.91 |
- |
| 6 |
Rybaski, Mason A (9)
|
ILSCST |
|
48.99 |
- |
| 7 |
Peerless, Logan R (10)
|
ILSCST |
59.88 |
51.67 |
-8.21 |
| 8 |
Casey, Jack L (10)
|
ILUNAT |
1:02.43 |
51.95 |
-10.48 |
| 9 |
Fritz, Zachary R (10)
|
ILLWSA |
59.93 |
54.99 |
-4.94 |
| 10 |
Cherne, Henry R (10)
|
ILLWSA |
1:07.75 |
58.00 |
-9.75 |
| 11 |
Cailles, Zachary Q (9)
|
INLCB |
|
58.47 |
- |
| 12 |
Fezler, Logan G (10)
|
INLCB |
|
59.92 |
- |
| 13 |
Fitterer, Luke (10)
|
ILLWSA |
|
1:00.76 |
- |
| 14 |
Lundgren, Michael A (9)
|
ILLWSA |
|
1:01.44 |
- |
| 15 |
Hawkins, Gabriel R (9)
|
INLCB |
|
1:02.41 |
- |
| 16 |
Jastrzab, Tyler V (10)
|
ILLWSA |
1:42.07 |
1:11.18 |
-30.89 |
| 17 |
Holmes, Aaron P (9)
|
INMSC |
|
1:18.11 |
- |
|
Kubilius, Landon G (10)
|
ILLWSA |
|
DQ |
- |
|
Espiritu-Jorczak, Andrew J (9)
|
INMSC |
|
DQ |
- |
|
Jerousek, Kyle J (9)
|
INMSC |
|
DQ |
- |
|
Wool, Benjamin J (10)
|
INMSC |
|
DQ |
- |
|
Glens, Ethan A (9)
|
ILLWSA |
|
DQ |
- |
|
Smith, Conner P (9)
|
INLCB |
|
DQ |
- |
|
Marino, Braden J (9)
|
ILLWSA |
|
NS |
- |