Elite Performances
63 performances met the MileSplit US Second Team standard.
| hs Girls | Mark | Athlete | Team |
|---|---|---|---|
| 4x200 Meter Relay Finals | 1:41.90 00 | Relay Team | Frankfort (Lincoln-Way East) |
| 4x200 Meter Relay Finals | 1:45.21 00 | Relay Team | Bolingbrook |
| 4x200 Meter Relay Finals | 1:45.90 00 | Relay Team | Maple Park (Kaneland) |
| 4x200 Meter Relay Finals | 1:47.81 00 | Relay Team | Downers Grove (North) |
| 4x200 Meter Relay Finals | 1:48.30 00 | Relay Team | Downers Grove (South) |
| 4x200 Meter Relay Finals | 1:48.69 00 | Relay Team | Wilmette (Loyola Academy) |
| 4x200 Meter Relay Finals | 1:48.92 00 | Relay Team | Chicago (Whitney Young) |
| 4x200 Meter Relay Finals | 1:49.12 00 | Relay Team | Minooka |
| 4x200 Meter Relay Finals | 1:49.23 00 | Relay Team | LaGrange (Lyons) |
| 4x400 Meter Relay Finals | 3:55.95 00 | Relay Team | Frankfort (Lincoln-Way East) |
| 4x400 Meter Relay Finals | 3:59.43 00 | Relay Team | Naperville (Neuqua Valley) |
| 4x400 Meter Relay Finals | 4:00.10 00 | Relay Team | St. Charles (East) |
| 4x400 Meter Relay Finals | 4:02.24 00 | Relay Team | Chicago (Lane) |
| 4x400 Meter Relay Finals | 4:04.54 00 | Relay Team | Downers Grove (North) |
| 4x400 Meter Relay Finals | 4:06.67 00 | Relay Team | Yorkville (H.S) |
| 4x400 Meter Relay Finals | 4:07.18 00 | Relay Team | Downers Grove (South) |
| 4x400 Meter Relay Finals | 4:07.66 00 | Relay Team | LaGrange (Lyons) |
| 4x400 Meter Relay Finals | 4:08.23 00 | Relay Team | Hoffman Estates (H.S.) |
| 4x400 Meter Relay Finals | 4:08.85 00 | Relay Team | Minooka |
| 4x400 Meter Relay Finals | 4:10.59 00 | Relay Team | Wilmette (Loyola Academy) |
| 4x800 Meter Relay Finals | 9:25.02 00 | Relay Team | Wilmette (Loyola Academy) |
| 4x800 Meter Relay Finals | 9:25.54 00 | Relay Team | Downers Grove (North) |
| 4x800 Meter Relay Finals | 9:28.59 00 | Relay Team | Yorkville (H.S) |
| 4x800 Meter Relay Finals | 9:30.87 00 | Relay Team | Chicago (Lane) |
| 4x800 Meter Relay Finals | 9:33.47 00 | Relay Team | Minooka |
| 4x800 Meter Relay Finals | 9:34.20 00 | Relay Team | Hoffman Estates (H.S.) |
| 4x800 Meter Relay Finals | 9:35.96 00 | Relay Team | St. Charles (East) |
| 4x800 Meter Relay Finals | 9:44.89 00 | Relay Team | Geneva |
| 4x800 Meter Relay Finals | 9:45.62 00 | Relay Team | Downers Grove (South) |
| 4x800 Meter Relay Finals | 9:46.40 00 | Relay Team | Schaumburg |
| 4x800 Meter Relay Finals | 9:48.69 00 | Relay Team | LaGrange (Lyons) |
| 4x800 Meter Relay Finals | 9:50.50 00 | Relay Team | Lombard (Glenbard East) |
| 4x800 Meter Relay Finals | 9:51.42 00 | Relay Team | Plainfield (North) |
| 4x800 Meter Relay Finals | 9:52.97 00 | Relay Team | Lake Forest (H.S.) |
| 4x800 Meter Relay Finals | 9:54.27 00 | Relay Team | Naperville (Neuqua Valley) |
| 4x800 Meter Relay Finals | 9:56.81 00 | Relay Team | Chicago (St. Ignatius College Prep) |
| 4x800 Meter Relay Finals | 10:00.04 00 | Relay Team | Lisle (Benet Academy) |
| hs Boys | Mark | Athlete | Team |
| 4x200 Meter Relay Finals | 1:31.26 00 | Relay Team | Plainfield (East) |
| 4x200 Meter Relay Finals | 1:31.98 00 | Relay Team | Minooka |
| 4x200 Meter Relay Finals | 1:32.60 00 | Relay Team | Aurora (Metea Valley) |
| 4x200 Meter Relay Finals | 1:33.59 00 | Relay Team | Chicago Heights (Bloom Twp.) |
| 4x200 Meter Relay Finals | 1:33.89 00 | Relay Team | Skokie (Niles North) |
| 4x400 Meter Relay Finals | 3:25.13 00 | Relay Team | Naperville (Neuqua Valley) |
| 4x400 Meter Relay Finals | 3:28.74 00 | Relay Team | LaGrange (Lyons) |
| 4x400 Meter Relay Finals | 3:29.12 00 | Relay Team | St. Charles (East) |
| 4x400 Meter Relay Finals | 3:29.98 00 | Relay Team | Plainfield (East) |
| 4x400 Meter Relay Finals | 3:30.44 00 | Relay Team | Plainfield (South) |
| 4x400 Meter Relay Finals | 3:30.91 00 | Relay Team | Plainfield (Central) |
| 4x800 Meter Relay Finals | 7:53.49 00 | Relay Team | Orland Park (Sandburg) |
| 4x800 Meter Relay Finals | 7:55.42 00 | Relay Team | Naperville (Neuqua Valley) |
| 4x800 Meter Relay Finals | 7:56.29 00 | Relay Team | LaGrange (Lyons) |
| 4x800 Meter Relay Finals | 7:56.54 00 | Relay Team | Glen Ellyn (Glenbard West) |
| 4x800 Meter Relay Finals | 7:57.64 00 | Relay Team | Chicago (Lane) |
| 4x800 Meter Relay Finals | 7:59.48 00 | Relay Team | Chicago (Whitney Young) |
| 4x800 Meter Relay Finals | 8:03.87 00 | Relay Team | Downers Grove (North) |
| 4x800 Meter Relay Finals | 8:08.31 00 | Relay Team | Hinsdale (Central) |
| 4x800 Meter Relay Finals | 8:09.22 00 | Relay Team | Yorkville (H.S) |
| 4x800 Meter Relay Finals | 8:10.95 00 | Relay Team | St. Charles (East) |
| 4x800 Meter Relay Finals | 8:11.35 00 | Relay Team | Plainfield (South) |
| 4x800 Meter Relay Finals | 8:13.32 00 | Relay Team | St. Charles (North) |
| 4x800 Meter Relay Finals | 8:17.36 00 | Relay Team | Skokie (Niles North) |
| 4x800 Meter Relay Finals | 8:17.41 00 | Relay Team | Chicago (St. Ignatius College Prep) |
| 4x800 Meter Relay Finals | 8:18.71 00 | Relay Team | Geneva |