| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lowery, Christopher A (12)
|
ILILVY |
29.98 |
29.10 |
-0.88 |
| 2 |
Bye, Jonathan S (12)
|
ILDDST |
32.13 |
31.75 |
-0.38 |
| 3 |
Mahoney, Graham J (11)
|
ILDDST |
33.82 |
33.66 |
-0.16 |
| 4 |
Braunecker, Aidan J (12)
|
ILHHSC |
31.63 |
33.74 |
2.11 |
| 5 |
Hovey, William A (11)
|
ILSPY |
33.24 |
33.97 |
0.73 |
| 6 |
Svob, Joshua A (12)
|
ILFFSC |
33.51 |
34.01 |
0.50 |
| 7 |
Vanover, Liam P (12)
|
ILSPY |
35.62 |
34.09 |
-1.53 |
| 8 |
Sparks, Tyler B (11)
|
ILHHSC |
33.47 |
34.18 |
0.71 |
| 9 |
Oakey, John R (12)
|
ILFFSC |
33.41 |
34.25 |
0.84 |
| 10 |
Chambers, Isaac A (12)
|
ILSBD |
34.82 |
36.43 |
1.61 |
| 11 |
Wesselman, Matthew T (12)
|
ILSBD |
37.92 |
36.63 |
-1.29 |
| 12 |
Calderon, Mateo R (12)
|
ILSPY |
34.47 |
36.88 |
2.41 |
| 13 |
Rajinikanth, Nachiket (12)
|
ILDDST |
42.29 |
39.31 |
-2.98 |
| 14 |
Gold, Henry T (12)
|
ILBNSC |
44.67 |
40.02 |
-4.65 |
| 15 |
Vogel, Caleb D (12)
|
ILFFSC |
45.29 |
41.96 |
-3.33 |
| 16 |
Kersten, Maximilian S (12)
|
ILSBD |
44.69 |
44.55 |
-0.14 |
| 17 |
Lieber, Joseph C (11)
|
ILBASC |
48.55 |
46.31 |
-2.24 |
| 18 |
Trapani, Dominic L (12)
|
ILSPY |
51.14 |
47.28 |
-3.86 |
| 19 |
Diener, Rylan A (11)
|
ILSBD |
48.71 |
47.92 |
-0.79 |
| 20 |
Mattson, Boston J (12)
|
ILDDST |
41.24 |
48.36 |
7.12 |
| 21 |
Hansen, Owen M (11)
|
ILDDST |
1:03.49 |
50.75 |
-12.74 |
| 22 |
Basam, Adarsh (12)
|
ILDDST |
51.03 |
54.39 |
3.36 |
|
Rodman, Zachary S (11)
|
ILHHSC |
53.95 |
DQ |
- |
|
Dunston IV, Weldon H (11)
|
ILHHSC |
46.83 |
DQ |
- |
|
Scott, Donovan E (11)
|
ILSPY |
|
NS |
- |