| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ciorna, Patrick D (10)
|
ILHHSC |
1:20.27 |
1:19.89 |
-0.38 |
| 2 |
Dornon, August V (10)
|
ILDDST |
1:22.96 |
1:20.38 |
-2.58 |
| 3 |
Walliker, Logan A (10)
|
ILPAWW |
1:21.92 |
1:22.02 |
0.10 |
| 4 |
Booker, Mason J (10)
|
ILSBD |
1:37.68 |
1:33.36 |
-4.32 |
| 5 |
Rackauskas, Paxton G (10)
|
ILDDST |
1:47.81 |
1:37.23 |
-10.58 |
| 6 |
Iacobazzi, Johnathan C (9)
|
ILSBD |
1:44.05 |
1:39.68 |
-4.37 |
| 7 |
Dornon, William H (10)
|
ILDDST |
1:46.47 |
1:48.84 |
2.37 |
| 8 |
Donovan, Liam M (10)
|
ILSBD |
|
1:50.02 |
- |
| 9 |
Wands, Evan L (9)
|
ILBASC |
1:32.39 |
1:50.49 |
18.10 |
| 10 |
Canny, Michael J (9)
|
ILBASC |
|
2:14.80 |
- |