| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Powell, Owen M (17)
|
ILHHSC |
49.61 |
49.60 |
-0.01 |
| 2 |
Kneller, Jude H (17)
|
ILSPY |
47.62 |
49.68 |
2.06 |
| 3 |
Mertes, Luke M (14)
|
ILUN |
51.68 |
52.70 |
1.02 |
| 4 |
Riggs, Shaw D (15)
|
ILBASC |
53.37 |
53.15 |
-0.22 |
| 5 |
Huebner, Austin C (16)
|
ILHHSC |
55.44 |
53.65 |
-1.79 |
| 6 |
Zimmerman, Cole J (15)
|
ILILVY |
57.99 |
56.08 |
-1.91 |
| 7 |
Jiao, Kevin Y (13)
|
ILDDST |
56.44 |
56.15 |
-0.29 |
| 8 |
Nafziger, Ryan S (15)
|
ILSPY |
54.87 |
56.29 |
1.42 |
| 9 |
Cormier, Carson M (15)
|
ILSST |
56.50 |
56.39 |
-0.11 |
| 10 |
Stuckemeyer, Tyler J (14)
|
ILHHSC |
58.16 |
56.70 |
-1.46 |
| 11 |
Hoehl, Spencer T (14)
|
ILBASC |
56.70 |
56.86 |
0.16 |
| 12 |
Qu, Kevin B (14)
|
ILDDST |
57.82 |
57.10 |
-0.72 |
| 13 |
Schneider, Allen H (14)
|
ILBASC |
57.13 |
57.24 |
0.11 |
| 14 |
Salverson, Levi S (13)
|
ILDDST |
57.81 |
57.33 |
-0.48 |
| 15 |
Hennings, Cy A (14)
|
ILUN-I |
58.85 |
58.16 |
-0.69 |
| 16 |
Schodlatz, Ryan W (15)
|
ILSBD |
58.75 |
58.44 |
-0.31 |
| 17 |
Mosley, Colton A (13)
|
ILDDST |
58.09 |
59.02 |
0.93 |
| 18 |
Malerk, Dillon T (13)
|
ILILVY |
59.74 |
1:00.88 |
1.14 |
| 19 |
Wellenreiter, Clayton J (14)
|
ILILVY |
1:00.96 |
1:01.27 |
0.31 |
| 20 |
Fish, George J (14)
|
ILFFSC |
1:03.60 |
1:01.38 |
-2.22 |
| 21 |
Morris, Jack T (13)
|
ILDDST |
1:01.13 |
1:01.60 |
0.47 |
| 22 |
Loafman, Dawsen T (14)
|
ILBASC |
1:00.81 |
1:01.64 |
0.83 |
| 23 |
Piercefield, Landyn S (13)
|
ILHHSC |
1:01.91 |
1:01.79 |
-0.12 |
| 24 |
Bandy, Alek H (13)
|
ILHHSC |
1:01.18 |
1:01.96 |
0.78 |
| 25 |
Yuan, Nathan Y (13)
|
ILSPY |
1:00.77 |
1:03.31 |
2.54 |
| 26 |
Wetherill, Mitchell G (13)
|
ILDDST |
1:04.41 |
1:04.66 |
0.25 |
| 27 |
Voelker, Hayden D (17)
|
ILHHSC |
1:06.75 |
1:05.34 |
-1.41 |
| 28 |
Reisinger, Ethan C (13)
|
ILBNSC |
1:06.31 |
1:06.24 |
-0.07 |
| 29 |
Westbrook, Brett P (13)
|
ILSPY |
1:07.24 |
1:07.75 |
0.51 |
| 30 |
Moulton, Fletcher K (13)
|
ILSPY |
1:05.32 |
1:08.31 |
2.99 |
| 31 |
Devert, Jack R (13)
|
ILSPY |
1:07.44 |
1:08.66 |
1.22 |
| 32 |
Halley, Blaine S (13)
|
ILOCS |
1:12.30 |
1:09.73 |
-2.57 |
| 33 |
Ruane, Conlon T (13)
|
ILFFSC |
1:12.01 |
1:09.80 |
-2.21 |
| 33 |
Poston, Jullian D (14)
|
ILSBD |
1:13.78 |
1:09.80 |
-3.98 |
| 35 |
Albertson, Samuel D (13)
|
ILBNSC |
1:20.87 |
1:11.48 |
-9.39 |
| 36 |
Washkowiak, Joshua (13)
|
ILILVY |
1:11.25 |
1:13.16 |
1.91 |
| 37 |
Enlow, Michael J (14)
|
ILSPY |
1:13.46 |
1:13.55 |
0.09 |
| 38 |
Kruger, Derek M (17)
|
ILHHSC |
|
1:16.46 |
- |
| 39 |
Helmuth, Justin G (14)
|
ILSBD |
1:19.33 |
1:18.87 |
-0.46 |
| 40 |
Gold, Montgomery J (13)
|
ILBNSC |
1:22.39 |
1:30.11 |
7.72 |
| 41 |
Rodman, Zachary S (11)
|
ILHHSC |
1:35.00 |
1:38.38 |
3.38 |
|
Patti, Riccardo (17)
|
ILHHSC |
|
DQ |
- |