| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Scheffler, Jacob M (8)
|
ILSPY |
48.26 |
40.83 |
-7.43 |
| 2 |
Porter, Lucas (8)
|
ILSSSC |
44.68 |
44.23 |
-0.45 |
| 3 |
Lakamp, Mason D (7)
|
ILFFSC |
1:12.12 |
49.72 |
-22.40 |
| 4 |
Thien-Knotts, Coleton L (7)
|
ILSPY |
52.79 |
49.97 |
-2.82 |
| 5 |
Van Acker, Ryan J (8)
|
ILJPD |
1:13.12 |
56.32 |
-16.80 |
| 6 |
Melvin, Aidan J (8)
|
ILSBD |
1:10.85 |
58.32 |
-12.53 |
| 7 |
Chivukula, Nachiketh D (8)
|
ILDDST |
|
1:04.68 |
- |
| 8 |
Arnolts, Auggie F (8)
|
ILBNSC |
|
1:05.22 |
- |
| 9 |
Grojean, Mack N (6)
|
ILBNY |
|
1:07.33 |
- |
| 10 |
Getz, Schroeder A (7)
|
ILPAWW |
|
1:07.62 |
- |
| 11 |
Long, August S (8)
|
ILOCS |
1:22.91 |
1:17.07 |
-5.84 |
|
Cardona, Zechariah A (8)
|
ILJPD |
1:20.00 |
DQ |
- |
|
Tiezzi, Trace C (7)
|
ILPAWW |
|
DQ |
- |
|
Rhodes, Isaac T (8)
|
ILUN |
39.40 |
DQ |
- |