Elite Performances
64 performances met the MileSplit US Second Team standard.
| HS Girls | Mark | Athlete | Team |
|---|---|---|---|
| 4x200 Meter Relay Finals | 1:42.74 | Relay Team | Flossmoor (Homewood-F.) |
| 4x200 Meter Relay Finals | 1:46.12 | Relay Team | Bolingbrook |
| 4x200 Meter Relay Finals | 1:46.97 | Relay Team | Batavia |
| 4x200 Meter Relay Finals | 1:47.48 | Relay Team | Frankfort (Lincoln-Way East) |
| 4x200 Meter Relay Finals | 1:48.28 | Relay Team | Chicago (Whitney Young) |
| 4x200 Meter Relay Finals | 1:49.00 | Relay Team | Yorkville (H.S) |
| 4x200 Meter Relay Finals | 1:49.03 | Relay Team | Mt. Prospect (Prospect) |
| 4x400 Meter Relay Finals | 4:01.17 | Relay Team | Frankfort (Lincoln-Way East) |
| 4x400 Meter Relay Finals | 4:07.60 | Relay Team | Chicago (Whitney Young) |
| 4x400 Meter Relay Finals | 4:08.57 | Relay Team | Naperville (Neuqua Valley) |
| 4x400 Meter Relay Finals | 4:08.65 | Relay Team | Aurora (West Aurora) |
| 4x400 Meter Relay Finals | 4:09.15 | Relay Team | Downers Grove (North) |
| 4x400 Meter Relay Finals | 4:09.66 | Relay Team | Flossmoor (Homewood-F.) |
| 4x800 Meter Relay Finals | 9:29.46 | Relay Team | Minooka |
| 4x800 Meter Relay Finals | 9:33.31 | Relay Team | Yorkville (H.S) |
| 4x800 Meter Relay Finals | 9:36.80 | Relay Team | Downers Grove (South) |
| 4x800 Meter Relay Finals | 9:40.88 | Relay Team | Mt. Prospect (Prospect) |
| 4x800 Meter Relay Finals | 9:41.06 | Relay Team | Downers Grove (North) |
| 4x800 Meter Relay Finals | 9:49.24 | Relay Team | Geneva |
| 4x800 Meter Relay Finals | 9:50.07 | Relay Team | Naperville (Neuqua Valley) |
| 4x800 Meter Relay Finals | 9:50.16 | Relay Team | Chicago (Whitney Young) |
| 4x800 Meter Relay Finals | 9:50.42 | Relay Team | Wilmette (Loyola Academy) |
| 4x800 Meter Relay Finals | 9:50.66 | Relay Team | Schaumburg (H.S.) |
| 4x800 Meter Relay Finals | 9:51.78 | Relay Team | St. Charles (East) |
| 4x800 Meter Relay Finals | 9:51.87 | Relay Team | Frankfort (Lincoln-Way East) |
| 4x800 Meter Relay Finals | 9:57.00 | Relay Team | Lombard (Glenbard East) |
| 4x800 Meter Relay Finals | 9:57.09 | Relay Team | Plainfield (North) |
| 4x800 Meter Relay Finals | 9:57.38 | Relay Team | Hoffman Estates (H.S.) |
| 4x800 Meter Relay Finals | 9:57.92 | Relay Team | Maple Park (Kaneland) |
| 4x800 Meter Relay Finals | 9:58.36 | Relay Team | Fox Lake (Grant) |
| 4x800 Meter Relay Finals | 9:58.80 | Relay Team | Chicago (St. Ignatius College Prep) |
| 4x800 Meter Relay Finals | 9:59.52 | Relay Team | Lisle (Benet Academy) |
| HS Boys | Mark | Athlete | Team |
| 4x200 Meter Relay Finals | 1:31.53 | Relay Team | LaGrange (Lyons) |
| 4x200 Meter Relay Finals | 1:31.73 | Relay Team | Batavia |
| 4x200 Meter Relay Finals | 1:32.89 | Relay Team | Glen Ellyn (Glenbard West) |
| 4x200 Meter Relay Finals | 1:33.33 | Relay Team | Bolingbrook |
| 4x200 Meter Relay Finals | 1:33.35 | Relay Team | Maywood (Proviso East) |
| 4x200 Meter Relay Finals | 1:33.35 | Relay Team | Downers Grove (North) |
| 4x200 Meter Relay Finals | 1:33.50 | Relay Team | Naperville (Neuqua Valley) |
| 4x200 Meter Relay Finals | 1:33.89 | Relay Team | Darien (Hinsdale South) |
| 4x200 Meter Relay Finals | 1:34.10 | Relay Team | Aurora (West Aurora) |
| 4x200 Meter Relay Finals | 1:34.25 | Relay Team | Yorkville (H.S) |
| 4x400 Meter Relay Finals | 3:26.04 | Relay Team | Naperville (Neuqua Valley) |
| 4x400 Meter Relay Finals | 3:26.08 | Relay Team | LaGrange (Lyons) |
| 4x400 Meter Relay Finals | 3:26.40 | Relay Team | Downers Grove (North) |
| 4x400 Meter Relay Finals | 3:27.07 | Relay Team | Batavia |
| 4x400 Meter Relay Finals | 3:28.19 | Relay Team | Plainfield (South) |
| 4x400 Meter Relay Finals | 3:28.90 | Relay Team | Glen Ellyn (Glenbard West) |
| 4x400 Meter Relay Finals | 3:29.98 | Relay Team | Maywood (Proviso East) |
| 4x400 Meter Relay Finals | 3:30.72 | Relay Team | St. Charles (North) |
| 4x800 Meter Relay Finals | 7:58.43 | Relay Team | Chicago (Whitney Young) |
| 4x800 Meter Relay Finals | 7:59.39 | Relay Team | Downers Grove (North) |
| 4x800 Meter Relay Finals | 8:02.43 | Relay Team | LaGrange (Lyons) |
| 4x800 Meter Relay Finals | 8:04.23 | Relay Team | Naperville (Neuqua Valley) |
| 4x800 Meter Relay Finals | 8:04.30 | Relay Team | Orland Park (Sandburg) |
| 4x800 Meter Relay Finals | 8:04.60 | Relay Team | Minooka |
| 4x800 Meter Relay Finals | 8:09.01 | Relay Team | Glen Ellyn (Glenbard West) |
| 4x800 Meter Relay Finals | 8:09.87 | Relay Team | Plainfield (East) |
| 4x800 Meter Relay Finals | 8:11.09 | Relay Team | Aurora (Metea Valley) |
| 4x800 Meter Relay Finals | 8:14.02 | Relay Team | Naperville (Central) |
| 4x800 Meter Relay Finals | 8:17.23 | Relay Team | Geneva |
| 4x800 Meter Relay Finals | 8:17.83 | Relay Team | Northbrook (Glenbrook North) |
| 4x800 Meter Relay Finals | 8:18.01 | Relay Team | Palos Heights (Shepard) |
| 4x800 Meter Relay Finals | 8:20.28 | Relay Team | St. Charles (East) |