| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lowery, Brian D (12)
|
ILVY |
59.29 |
58.11 |
-1.18 |
| 2 |
Rupniewski, Oliver A (11)
|
ILSAGE |
1:01.02 |
58.80 |
-2.22 |
| 3 |
Venslauskas, Kasparas (12)
|
ILSAGE |
1:00.05 |
58.93 |
-1.12 |
| 4 |
Smith, Nolan W (12)
|
ILSAGE |
1:07.29 |
1:03.57 |
-3.72 |
| 5 |
Herron, Matthew M (12)
|
ILSAGE |
1:07.96 |
1:05.90 |
-2.06 |
| 6 |
Kranig, Jace T (12)
|
ILSAGE |
1:09.46 |
1:07.32 |
-2.14 |
| 7 |
Blum, Dawson M (12)
|
ILSAGE |
1:07.95 |
1:07.44 |
-0.51 |
| 8 |
Morse, Isaac A (11)
|
ILSAGE |
1:06.97 |
1:07.82 |
0.85 |
| 9 |
Siwiec, Oscar J (11)
|
ILSAGE |
1:15.22 |
1:10.02 |
-5.20 |
| 10 |
Peterson, Jack R (12)
|
ILSAGE |
1:12.73 |
1:10.59 |
-2.14 |
| 11 |
Smith, Cameron W (12)
|
ILFVFY |
1:20.23 |
1:18.99 |
-1.24 |
| 12 |
Newton, Mikah (11)
|
ILKEWE |
1:38.47 |
1:29.07 |
-9.40 |
|
Howerton, Rowan L (11)
|
ILFVFY |
|
NS |
- |