Elite Performances
64 performances met the MileSplit US Second Team standard.
| HS Girls | Mark | Athlete | Team |
|---|---|---|---|
| 4x200 Meter Relay Finals | 1:43.13 | Relay Team | Naperville (Neuqua Valley) |
| 4x200 Meter Relay Finals | 1:43.55 | Relay Team | Plainfield (North) |
| 4x200 Meter Relay Finals | 1:44.12 | Relay Team | Batavia |
| 4x200 Meter Relay Finals | 1:44.21 | Relay Team | Mt. Prospect (Prospect) |
| 4x200 Meter Relay Finals | 1:45.86 | Relay Team | Downers Grove (North) |
| 4x200 Meter Relay Finals | 1:46.35 | Relay Team | Bolingbrook |
| 4x200 Meter Relay Finals | 1:47.19 | Relay Team | Elmhurst (York) |
| 4x200 Meter Relay Finals | 1:47.43 | Relay Team | Frankfort (Lincoln-Way East) |
| 4x200 Meter Relay Finals | 1:48.17 | Relay Team | Plainfield (East) |
| 4x400 Meter Relay Finals | 4:00.48 | Relay Team | Mt. Prospect (Prospect) |
| 4x400 Meter Relay Finals | 4:02.05 | Relay Team | Plainfield (North) |
| 4x400 Meter Relay Finals | 4:02.54 | Relay Team | Chicago (Lane) |
| 4x400 Meter Relay Finals | 4:02.96 | Relay Team | Downers Grove (North) |
| 4x400 Meter Relay Finals | 4:04.79 | Relay Team | Batavia |
| 4x400 Meter Relay Finals | 4:06.65 | Relay Team | Naperville (Neuqua Valley) |
| 4x400 Meter Relay Finals | 4:08.59 | Relay Team | Elmhurst (York) |
| 4x400 Meter Relay Finals | 4:08.95 | Relay Team | Frankfort (Lincoln-Way East) |
| 4x400 Meter Relay Finals | 4:10.26 | Relay Team | Minooka |
| 4x400 Meter Relay Finals | 4:10.85 | Relay Team | LaGrange (Lyons) |
| 4x800 Meter Relay Finals | 9:05.01 | Relay Team | Mt. Prospect (Prospect) |
| 4x800 Meter Relay Finals | 9:10.14 | Relay Team | Downers Grove (North) |
| 4x800 Meter Relay Finals | 9:23.66 | Relay Team | Elmhurst (York) |
| 4x800 Meter Relay Finals | 9:25.31 | Relay Team | Naperville (Central) |
| 4x800 Meter Relay Finals | 9:29.47 | Relay Team | Chicago (St. Ignatius College Prep) |
| 4x800 Meter Relay Finals | 9:32.53 | Relay Team | Hinsdale (Central) |
| 4x800 Meter Relay Finals | 9:36.42 | Relay Team | Orland Park (Sandburg) |
| 4x800 Meter Relay Finals | 9:41.67 | Relay Team | Lisle (Benet Academy) |
| 4x800 Meter Relay Finals | 9:42.54 | Relay Team | Chicago (Lane) |
| 4x800 Meter Relay Finals | 9:42.84 | Relay Team | Plainfield (North) |
| 4x800 Meter Relay Finals | 9:43.42 | Relay Team | Frankfort (Lincoln-Way East) |
| 4x800 Meter Relay Finals | 9:43.96 | Relay Team | Yorkville (H.S) |
| 4x800 Meter Relay Finals | 9:55.37 | Relay Team | Lockport (Twp.) |
| 4x800 Meter Relay Finals | 9:55.74 | Relay Team | Downers Grove (South) |
| 4x800 Meter Relay Finals | 9:55.96 | Relay Team | LaGrange (Lyons) |
| 4x800 Meter Relay Finals | 9:56.33 | Relay Team | Minooka |
| HS Boys | Mark | Athlete | Team |
| 4x200 Meter Relay Finals | 1:31.97 | Relay Team | Minooka |
| 4x200 Meter Relay Finals | 1:32.62 | Relay Team | Downers Grove (North) |
| 4x200 Meter Relay Finals | 1:32.69 | Relay Team | Bradley (B.-Bourbonnais) |
| 4x200 Meter Relay Finals | 1:32.73 | Relay Team | Bolingbrook |
| 4x200 Meter Relay Finals | 1:32.87 | Relay Team | Plainfield (North) |
| 4x200 Meter Relay Finals | 1:33.50 | Relay Team | Plainfield (South) |
| 4x200 Meter Relay Finals | 1:34.28 | Relay Team | Aurora (West Aurora) |
| 4x200 Meter Relay Finals | 1:34.29 | Relay Team | Downers Grove (South) |
| 4x400 Meter Relay Finals | 3:26.33 | Relay Team | Naperville (Central) |
| 4x400 Meter Relay Finals | 3:27.37 | Relay Team | Plainfield (North) |
| 4x400 Meter Relay Finals | 3:29.85 | Relay Team | Bolingbrook |
| 4x800 Meter Relay Finals | 7:53.44 | Relay Team | Plainfield (South) |
| 4x800 Meter Relay Finals | 7:56.94 | Relay Team | Plainfield (North) |
| 4x800 Meter Relay Finals | 7:57.13 | Relay Team | Downers Grove (North) |
| 4x800 Meter Relay Finals | 7:58.10 | Relay Team | Chicago (Whitney Young) |
| 4x800 Meter Relay Finals | 8:02.38 | Relay Team | Naperville (Central) |
| 4x800 Meter Relay Finals | 8:02.90 | Relay Team | Glen Ellyn (Glenbard West) |
| 4x800 Meter Relay Finals | 8:05.34 | Relay Team | Bolingbrook |
| 4x800 Meter Relay Finals | 8:07.12 | Relay Team | Minooka |
| 4x800 Meter Relay Finals | 8:08.02 | Relay Team | Chicago (Lane) |
| 4x800 Meter Relay Finals | 8:08.27 | Relay Team | Hinsdale (Central) |
| 4x800 Meter Relay Finals | 8:09.74 | Relay Team | Aurora (West Aurora) |
| 4x800 Meter Relay Finals | 8:12.67 | Relay Team | Orland Park (Sandburg) |
| 4x800 Meter Relay Finals | 8:14.12 | Relay Team | Palatine (H.S.) |
| 4x800 Meter Relay Finals | 8:18.00 | Relay Team | Yorkville (H.S) |
| 4x800 Meter Relay Finals | 8:18.12 | Relay Team | Chicago (St. Ignatius College Prep) |
| 4x800 Meter Relay Finals | 8:18.41 | Relay Team | Bradley (B.-Bourbonnais) |
| 4x800 Meter Relay Finals | 8:18.55 | Relay Team | Tinley Park (Andrew) |
| 4x800 Meter Relay Finals | 8:19.01 | Relay Team | Downers Grove (South) |