| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lowery, Christopher A (12)
|
ILILVY |
1:09.48 |
1:07.35 |
-2.13 |
| 2 |
Hovey, William A (11)
|
ILSPY |
1:18.28 |
1:15.42 |
-2.86 |
| 3 |
Mahoney, Graham J (11)
|
ILDDST |
1:22.94 |
1:20.39 |
-2.55 |
| 4 |
Vanover, Liam P (12)
|
ILSPY |
1:22.04 |
1:21.62 |
-0.42 |
| 5 |
Davis, Galvin M (12)
|
ILFFSC |
1:39.72 |
1:22.65 |
-17.07 |
| 6 |
Chambers, Isaac A (12)
|
ILSBD |
1:35.84 |
1:25.23 |
-10.61 |
| 7 |
Wesselman, Matthew T (12)
|
ILSBD |
1:35.89 |
1:33.41 |
-2.48 |
| 8 |
Calderon, Mateo R (12)
|
ILSPY |
1:29.64 |
1:37.13 |
7.49 |
| 9 |
Kersten, Maximilian S (12)
|
ILSBD |
1:38.13 |
1:40.97 |
2.84 |
| 10 |
Nelson, Gabriel B (12)
|
ILBNSC |
1:43.95 |
1:41.47 |
-2.48 |
| 11 |
Diener, Rylan A (11)
|
ILSBD |
2:06.65 |
1:53.58 |
-13.07 |
|
Gold, Henry T (12)
|
ILBNSC |
|
DQ |
- |
|
Zeino, Abdurrahman (11)
|
ILSPY |
|
DQ |
- |