| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lippoldt, Owen O (11)
|
ILFVFY |
35.53 |
34.31 |
-1.22 |
| 2 |
Graham, Matteo R (12)
|
ILDCST |
35.94 |
35.41 |
-0.53 |
| 3 |
Spleha, Christopher M (12)
|
ILFVFY |
38.04 |
39.93 |
1.89 |
| 4 |
Perry, James (11)
|
ILHLYS |
39.64 |
41.20 |
1.56 |
| 5 |
Blaise, Jackson B (11)
|
ILDCST |
41.97 |
41.28 |
-0.69 |
| 6 |
Strand, Caleb J (11)
|
ILVY |
42.86 |
41.38 |
-1.48 |
| 7 |
Dunne, Aydan J (11)
|
ILDCST |
41.15 |
44.13 |
2.98 |
| 8 |
Petersen, Aaron J (11)
|
ILFVFY |
51.04 |
51.45 |
0.41 |
| 9 |
Scott, Kamryn T (12)
|
ILDCST |
1:06.68 |
59.54 |
-7.14 |
| 10 |
Howerton, Rowan L (11)
|
ILFVFY |
57.17 |
1:00.11 |
2.94 |
|
Murray, Nolan R (11)
|
ILFVFY |
54.96 |
DQ |
- |
|
Wojciechowski, Logan A (11)
|
ILFVFY |
48.72 |
DQ |
- |