Elite Performances
52 performances met the MileSplit US Second Team standard.
| HS Girls | Mark | Athlete | Team |
|---|---|---|---|
| 4x200 Meter Relay Finals | 1:41.85 | Relay Team | West Frankfort (Frankfort) |
| 4x200 Meter Relay Finals | 1:45.58 | Relay Team | Plainfield (North) |
| 4x200 Meter Relay Finals | 1:46.55 | Relay Team | Bolingbrook |
| 4x200 Meter Relay Finals | 1:47.23 | Relay Team | Aurora (West Aurora) |
| 4x200 Meter Relay Finals | 1:47.34 | Relay Team | LaGrange (Lyons) |
| 4x200 Meter Relay Finals | 1:47.68 | Relay Team | Chicago (St. Ignatius College Prep) |
| 4x400 Meter Relay Finals | 4:02.45 | Relay Team | West Frankfort (Frankfort) |
| 4x400 Meter Relay Finals | 4:08.94 | Relay Team | LaGrange (Lyons) |
| 4x400 Meter Relay Finals | 4:09.20 | Relay Team | Plainfield (North) |
| 4x400 Meter Relay Finals | 4:09.86 | Relay Team | Chicago (Lane) |
| 4x400 Meter Relay Finals | 4:10.33 | Relay Team | Schaumburg (H.S.) |
| 4x400 Meter Relay Finals | 4:10.90 | Relay Team | Yorkville (H.S) |
| 4x800 Meter Relay Finals | 9:35.66 | Relay Team | Yorkville (H.S) |
| 4x800 Meter Relay Finals | 9:43.14 | Relay Team | Chicago (Lane) |
| 4x800 Meter Relay Finals | 9:43.38 | Relay Team | Minooka |
| 4x800 Meter Relay Finals | 9:44.63 | Relay Team | Roselle (Lake Park) |
| 4x800 Meter Relay Finals | 9:45.32 | Relay Team | Orland Park (Sandburg) |
| 4x800 Meter Relay Finals | 9:48.17 | Relay Team | Naperville (North) |
| 4x800 Meter Relay Finals | 9:48.84 | Relay Team | LaGrange (Lyons) |
| 4x800 Meter Relay Finals | 9:49.18 | Relay Team | Chicago (Whitney Young) |
| 4x800 Meter Relay Finals | 9:49.22 | Relay Team | Schaumburg (H.S.) |
| 4x800 Meter Relay Finals | 9:50.26 | Relay Team | Mt. Prospect (Prospect) |
| 4x800 Meter Relay Finals | 9:51.43 | Relay Team | Wilmette (Loyola Academy) |
| 4x800 Meter Relay Finals | 9:54.50 | Relay Team | Hoffman Estates (H.S.) |
| 4x800 Meter Relay Finals | 9:57.25 | Relay Team | Aurora (Metea Valley) |
| 4x800 Meter Relay Finals | 9:59.72 | Relay Team | Chicago (St. Ignatius College Prep) |
| 4x800 Meter Relay Finals | 10:00.01 | Relay Team | Downers Grove (South) |
| 4x800 Meter Relay Finals | 10:00.91 | Relay Team | Lombard (Glenbard East) |
| 4x800 Meter Relay Finals | 10:01.43 | Relay Team | West Frankfort (Frankfort) |
| HS Boys | Mark | Athlete | Team |
| 3200 Meter Run Finals | 9:14.37 | Grant Nykaza | Beecher |
| 4x200 Meter Relay Finals | 1:32.19 | Relay Team | Chicago Heights (Bloom Twp.) |
| 4x200 Meter Relay Finals | 1:32.69 | Relay Team | South Holland (Thornwood) |
| 4x200 Meter Relay Finals | 1:32.82 | Relay Team | Orland Park (Sandburg) |
| 4x200 Meter Relay Finals | 1:33.72 | Relay Team | Chicago (St. Ignatius College Prep) |
| 4x200 Meter Relay Finals | 1:33.87 | Relay Team | Plainfield (East) |
| 4x200 Meter Relay Finals | 1:34.16 | Relay Team | Naperville (Neuqua Valley) |
| 4x200 Meter Relay Finals | 1:34.26 | Relay Team | Downers Grove (South) |
| 4x400 Meter Relay Finals | 3:28.84 | Relay Team | Minooka |
| 4x400 Meter Relay Finals | 3:29.72 | Relay Team | St. Charles (North) |
| 4x800 Meter Relay Finals | 8:02.08 | Relay Team | Orland Park (Sandburg) |
| 4x800 Meter Relay Finals | 8:02.29 | Relay Team | Aurora (West Aurora) |
| 4x800 Meter Relay Finals | 8:05.11 | Relay Team | Chicago (St. Ignatius College Prep) |
| 4x800 Meter Relay Finals | 8:07.97 | Relay Team | Skokie (Niles North) |
| 4x800 Meter Relay Finals | 8:08.29 | Relay Team | Hinsdale (Central) |
| 4x800 Meter Relay Finals | 8:08.29 | Relay Team | Chicago (Lane) |
| 4x800 Meter Relay Finals | 8:10.15 | Relay Team | Minooka |
| 4x800 Meter Relay Finals | 8:10.61 | Relay Team | Downers Grove (North) |
| 4x800 Meter Relay Finals | 8:12.50 | Relay Team | Plainfield (South) |
| 4x800 Meter Relay Finals | 8:13.13 | Relay Team | South Holland (Thornwood) |
| 4x800 Meter Relay Finals | 8:16.56 | Relay Team | Plainfield (East) |
| 4x800 Meter Relay Finals | 8:16.91 | Relay Team | Naperville (Neuqua Valley) |
| 4x800 Meter Relay Finals | 8:17.69 | Relay Team | Naperville (Central) |