| MR | Kishwaukee River Conference Girls | 29.57 | Amber Conant | Johnsburg | 2018 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 2 | ROJAS, Alessandra | FR | Harvard | 37.89 |
| 3 | VALLEE, Zoey | SO | Marengo | 36.08 |
| 4 | MUMMA, Krystal | SO | Richmond (R.-Burton) | 36.12 |
| 5 | CLARK, Autumn | SO | Johnsburg | 38.04 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | DEL RIO, Kassandra | FR | Richmond (R.-Burton) | 33.27 |
| 2 | LOGUE, Ella | SO | Marengo | 32.58 |
| 3 | JAIMES, Jasmine | SR | Woodstock (H.S) | 31.09 |
| 4 | JOSEPHINE, Barrett | FR | Johnsburg | 32.54 |
| 5 | O'BRIEN, Allison | SO | Woodstock (H.S) | 33.00 |
| 6 | ESQUIVEL, Lyzette | SO | Harvard | 34.76 |