| Q | IESA A Qualifying '18 | 1:51.74 | 7th |
| Q | IESA A Qualifying '18 | 1:43.74 | 8th |
| Lane | Team | Squad | Seed | Note |
|---|---|---|---|---|
| 3 | Zion Central | A | DNS | |
| 4 | North Chicago Neal | A | 2:15.00 | |
| 5 | Ingleside Big Hollow | A | 2:21.90 |
| Lane | Team | Squad | Seed | Note |
|---|---|---|---|---|
| 1 | Round Lake Park | A | 2:12.00 | |
| 2 | Grayslake | A | 1:56.00 | |
| 3 | Gurnee Woodland | A | 1:53.50 | |
| 4 | Antioch | A | 1:46.00 | |
| 5 | Lindenhurst Millburn MS | A | 1:51.00 | |
| 6 | Gurnee Viking | A | 1:56.00 | |
| 7 | Beach Park | A | 2:03.80 | |
| 8 | Round Lake MS | A | 2:12.00 |