Elite Performances
16 performances met the MileSplit US Second Team standard.
| HS Girls | Mark | Athlete | Team |
|---|---|---|---|
| 4x200 Meter Relay Finals | 1:43.96 | Relay Team | Batavia |
| 4x200 Meter Relay Finals | 1:45.74 | Relay Team | Flossmoor (Homewood-F.) |
| 4x200 Meter Relay Finals | 1:45.95 | Relay Team | Plainfield (South) |
| 4x200 Meter Relay Finals | 1:49.17 | Relay Team | Oswego (East) |
| 4x400 Meter Relay Finals | 4:03.74 | Relay Team | Batavia |
| 4x400 Meter Relay Finals | 4:09.71 | Relay Team | Flossmoor (Homewood-F.) |
| 4x800 Meter Relay Finals | 9:54.59 | Relay Team | Palatine (H.S.) |
| 4x800 Meter Relay Finals | 9:58.27 | Relay Team | Oswego (East) |
| 4x800 Meter Relay Finals | 9:59.75 | Relay Team | Batavia |
| HS Boys | Mark | Athlete | Team |
| 4x200 Meter Relay Finals | 1:32.87 | Relay Team | New Lenox (Lincoln-Way Central) |
| 4x200 Meter Relay Finals | 1:32.95 | Relay Team | Batavia |
| 4x200 Meter Relay Finals | 1:34.26 | Relay Team | Oswego (East) |
| 4x400 Meter Relay Finals | 3:30.95 | Relay Team | Batavia |
| 4x800 Meter Relay Finals | 8:16.63 | Relay Team | Glen Ellyn (Glenbard West) |
| 4x800 Meter Relay Finals | 8:17.30 | Relay Team | Oswego (East) |
| Distance Medley Relay Finals | 10:37.83 | Relay Team | Glen Ellyn (Glenbard West) |