| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kneller, Jude H (17)
|
ILSPY |
1:01.73 |
1:07.21 |
5.48 |
| 2 |
Mertes, Luke M (14)
|
ILUN |
1:07.36 |
1:07.62 |
0.26 |
| 3 |
Patti, Riccardo (17)
|
ILHHSC |
|
1:11.40 |
- |
| 4 |
Salverson, Levi S (13)
|
ILDDST |
1:12.05 |
1:11.56 |
-0.49 |
| 5 |
Jiao, Kevin Y (13)
|
ILDDST |
1:13.90 |
1:12.23 |
-1.67 |
| 6 |
Pfeiferling, Dane A (14)
|
ILSST |
1:12.43 |
1:12.92 |
0.49 |
| 7 |
Qu, Kevin B (14)
|
ILDDST |
1:16.37 |
1:14.81 |
-1.56 |
| 8 |
Mosley, Colton A (13)
|
ILDDST |
1:16.91 |
1:15.04 |
-1.87 |
| 9 |
Malerk, Dillon T (13)
|
ILILVY |
1:12.31 |
1:15.58 |
3.27 |
| 10 |
Phan, Alex T (13)
|
ILFFSC |
1:17.36 |
1:18.74 |
1.38 |
| 11 |
Yuan, Nathan Y (13)
|
ILSPY |
1:19.55 |
1:18.80 |
-0.75 |
| 12 |
Schodlatz, Ryan W (15)
|
ILSBD |
1:21.43 |
1:18.88 |
-2.55 |
| 13 |
Reisinger, Ethan C (13)
|
ILBNSC |
1:20.94 |
1:18.96 |
-1.98 |
| 14 |
Bandy, Alek H (13)
|
ILHHSC |
1:19.29 |
1:19.08 |
-0.21 |
| 15 |
Moulton, Fletcher K (13)
|
ILSPY |
1:16.69 |
1:19.26 |
2.57 |
| 16 |
Hoehl, Spencer T (14)
|
ILBASC |
1:16.82 |
1:20.65 |
3.83 |
| 17 |
Voelker, Hayden D (17)
|
ILHHSC |
|
1:22.60 |
- |
| 18 |
Wellenreiter, Clayton J (14)
|
ILILVY |
1:27.88 |
1:23.81 |
-4.07 |
| 19 |
Wetherill, Mitchell G (13)
|
ILDDST |
1:22.35 |
1:24.37 |
2.02 |
| 20 |
Enlow, Michael J (14)
|
ILSPY |
1:24.77 |
1:27.60 |
2.83 |
| 21 |
Westbrook, Brett P (13)
|
ILSPY |
1:31.03 |
1:30.04 |
-0.99 |
| 22 |
Washkowiak, Joshua (13)
|
ILILVY |
1:31.93 |
1:30.07 |
-1.86 |
| 23 |
Morris, Jack T (13)
|
ILDDST |
1:30.14 |
1:32.13 |
1.99 |
| 24 |
Poston, Jullian D (14)
|
ILSBD |
1:42.11 |
1:32.47 |
-9.64 |
| 25 |
Devert, Jack R (13)
|
ILSPY |
1:31.75 |
1:33.20 |
1.45 |
| 26 |
Gold, Montgomery J (13)
|
ILBNSC |
1:37.46 |
1:36.58 |
-0.88 |
| 27 |
Albertson, Samuel D (13)
|
ILBNSC |
1:42.61 |
1:39.99 |
-2.62 |
| 28 |
Helmuth, Justin G (14)
|
ILSBD |
1:49.36 |
1:49.25 |
-0.11 |