| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Helfrich, Gage R (12)
|
ILDCST |
58.50 |
58.17 |
-0.33 |
| 2 |
Maere, Skylar T (13)
|
ILMARL |
1:01.33 |
58.18 |
-3.15 |
| 3 |
Rychlik, Kyle A (14)
|
ILVHST |
1:09.98 |
58.71 |
-11.27 |
| 4 |
Porter, Conner (14)
|
ILSSSC |
1:09.07 |
1:05.08 |
-3.99 |
| 5 |
Sullivan, Kevin G (13)
|
ILDCST |
1:09.62 |
1:07.16 |
-2.46 |
| 6 |
Dolan, Matt B (14)
|
ILMAC |
1:10.00 |
1:07.53 |
-2.47 |
| 7 |
Skrzypek, Alexander E (13)
|
ILDCST |
1:12.85 |
1:08.72 |
-4.13 |
| 8 |
Siwiec, Oscar J (12)
|
ILDCST |
1:15.19 |
1:13.25 |
-1.94 |
| 9 |
De La Cruz, Samuel S (13)
|
ILDCST |
1:14.76 |
1:13.38 |
-1.38 |
| 10 |
Hartman, Dean (13)
|
ILFAST |
1:24.27 |
1:20.98 |
-3.29 |
| 11 |
Breese, Aidan J (13)
|
ILRMSC |
2:41.01 |
1:33.60 |
-67.41 |