| Lane | Team | Squad | Seed |
|---|---|---|---|
| 3 | Barrington-Prairie Campus | A | NT |
| 4 | Lake Zurich North | A | NT |
| 5 | Deer Path | A | NT |
| 6 | Carl Sandburg | A | NT |
| Lane | Team | Squad | Seed |
|---|---|---|---|
| 2 | Woodland | A | 1:10.00 |
| 3 | Big Hollow | A | 1:05.00 |
| 4 | Grayslake | A | 1:05.00 |
| 5 | Park | A | 1:05.00 |
| 6 | Grass Lake | A | 1:07.55 |
| 7 | St. Gilbert | A | 1:13.00 |
| Lane | Team | Squad | Seed |
|---|---|---|---|
| 1 | Prairie Crossing Charter | A | 1:03.25 |
| 2 | Matthews | A | 1:01.60 |
| 3 | St. Margaret Mary Catholic | A | 1:00.80 |
| 4 | Antioch Upper | A | 59.42 |
| 5 | Wauconda | A | 59.50 |
| 6 | Hawthorn North | A | 1:01.00 |
| 7 | Stanton | A | 1:03.00 |
| 8 | Hawthorn South | A | 1:04.00 |