| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Graham, Matteo R (12)
|
ILDCST |
1:05.08 |
1:06.17 |
1.09 |
| 2 |
Sullivan, Kevin G (12)
|
ILDCST |
1:06.87 |
1:07.94 |
1.07 |
| 3 |
Skrzypek, Alexander E (12)
|
ILDCST |
1:07.55 |
1:10.18 |
2.63 |
| 4 |
Johnson, Evan M (11)
|
ILDCST |
1:07.59 |
1:11.52 |
3.93 |
| 5 |
Orcullo, Cordell N (11)
|
ILLATT |
1:15.41 |
1:13.15 |
-2.26 |
| 6 |
Hawkins, Landon B (11)
|
ILFVFY |
1:42.00 |
1:26.39 |
-15.61 |
| 7 |
Brestan, Jacob S (12)
|
ILDCST |
1:44.30 |
1:26.81 |
-17.49 |
| 8 |
De La Cruz, Samuel S (12)
|
ILDCST |
1:04.95 |
1:26.85 |
21.90 |
| 9 |
Spleha, Christopher M (11)
|
ILFVFY |
1:32.14 |
1:31.22 |
-0.92 |
| 10 |
Gilbert, Gavin L (12)
|
ILFVFY |
1:39.79 |
1:41.56 |
1.77 |