Elite Performances
81 performances met the MileSplit US Second Team standard.
| HS Girls | Mark | Athlete | Team |
|---|---|---|---|
| 4x200 Meter Relay Finals | 1:41.03 | Relay Team | West Frankfort (Frankfort) |
| 4x200 Meter Relay Finals | 1:44.15 | Relay Team | Naperville (Neuqua Valley) |
| 4x200 Meter Relay Finals | 1:46.12 | Relay Team | Bolingbrook |
| 4x200 Meter Relay Finals | 1:46.53 | Relay Team | Aurora (West Aurora) |
| 4x200 Meter Relay Finals | 1:47.76 | Relay Team | Chicago (Whitney Young) |
| 4x200 Meter Relay Finals | 1:48.01 | Relay Team | Chicago (St. Ignatius College Prep) |
| 4x200 Meter Relay Finals | 1:48.28 | Relay Team | Downers Grove (South) |
| 4x200 Meter Relay Finals | 1:48.61 | Relay Team | LaGrange (Lyons) |
| 4x200 Meter Relay Finals | 1:48.63 | Relay Team | Downers Grove (North) |
| 4x200 Meter Relay Finals | 1:48.65 | Relay Team | Mt. Prospect (Prospect) |
| 4x200 Meter Relay Finals | 1:48.95 | Relay Team | Winnetka (New Trier) |
| 4x200 Meter Relay Finals | 1:49.07 | Relay Team | Fox Lake (Grant) |
| 4x400 Meter Relay Finals | 3:54.77 | Relay Team | West Frankfort (Frankfort) |
| 4x400 Meter Relay Finals | 3:56.02 | Relay Team | Naperville (Neuqua Valley) |
| 4x400 Meter Relay Finals | 4:00.18 | Relay Team | Maple Park (Kaneland) |
| 4x400 Meter Relay Finals | 4:04.95 | Relay Team | Winnetka (New Trier) |
| 4x400 Meter Relay Finals | 4:05.24 | Relay Team | Downers Grove (South) |
| 4x400 Meter Relay Finals | 4:06.41 | Relay Team | Aurora (West Aurora) |
| 4x400 Meter Relay Finals | 4:06.72 | Relay Team | Chicago (Lane) |
| 4x400 Meter Relay Finals | 4:08.40 | Relay Team | Batavia |
| 4x400 Meter Relay Finals | 4:08.46 | Relay Team | Lake Forest (H.S.) |
| 4x400 Meter Relay Finals | 4:08.81 | Relay Team | Wilmette (Loyola Academy) |
| 4x400 Meter Relay Finals | 4:10.29 | Relay Team | Yorkville (H.S) |
| 4x400 Meter Relay Finals | 4:10.53 | Relay Team | Downers Grove (North) |
| 4x400 Meter Relay Finals | 4:10.95 | Relay Team | Fox Lake (Grant) |
| 4x800 Meter Relay Finals | 9:23.60 | Relay Team | Yorkville (H.S) |
| 4x800 Meter Relay Finals | 9:28.83 | Relay Team | Minooka |
| 4x800 Meter Relay Finals | 9:30.86 | Relay Team | Downers Grove (North) |
| 4x800 Meter Relay Finals | 9:31.91 | Relay Team | LaGrange (Lyons) |
| 4x800 Meter Relay Finals | 9:32.75 | Relay Team | Chicago (Lane) |
| 4x800 Meter Relay Finals | 9:34.54 | Relay Team | Downers Grove (South) |
| 4x800 Meter Relay Finals | 9:37.02 | Relay Team | St. Charles (East) |
| 4x800 Meter Relay Finals | 9:37.84 | Relay Team | Hoffman Estates (H.S.) |
| 4x800 Meter Relay Finals | 9:39.19 | Relay Team | Wilmette (Loyola Academy) |
| 4x800 Meter Relay Finals | 9:39.50 | Relay Team | Plainfield (North) |
| 4x800 Meter Relay Finals | 9:42.22 | Relay Team | Naperville (Neuqua Valley) |
| 4x800 Meter Relay Finals | 9:42.98 | Relay Team | Winnetka (New Trier) |
| 4x800 Meter Relay Finals | 9:43.79 | Relay Team | Schaumburg (H.S.) |
| 4x800 Meter Relay Finals | 9:44.80 | Relay Team | Geneva |
| 4x800 Meter Relay Finals | 9:45.61 | Relay Team | Fox Lake (Grant) |
| 4x800 Meter Relay Finals | 9:46.68 | Relay Team | Mt. Prospect (Prospect) |
| 4x800 Meter Relay Finals | 9:48.42 | Relay Team | West Frankfort (Frankfort) |
| 4x800 Meter Relay Finals | 9:48.96 | Relay Team | Batavia |
| 4x800 Meter Relay Finals | 9:50.06 | Relay Team | Lake Forest (H.S.) |
| 4x800 Meter Relay Finals | 9:55.33 | Relay Team | Lisle (Benet Academy) |
| 4x800 Meter Relay Finals | 9:57.30 | Relay Team | Maple Park (Kaneland) |
| 4x800 Meter Relay Finals | 9:58.82 | Relay Team | Wheaton (North) |
| HS Boys | Mark | Athlete | Team |
| 4x200 Meter Relay Finals | 1:32.06 | Relay Team | Downers Grove (North) |
| 4x200 Meter Relay Finals | 1:32.17 | Relay Team | Minooka |
| 4x200 Meter Relay Finals | 1:32.23 | Relay Team | Plainfield (East) |
| 4x200 Meter Relay Finals | 1:32.24 | Relay Team | Naperville (Neuqua Valley) |
| 4x200 Meter Relay Finals | 1:32.49 | Relay Team | South Elgin |
| 4x200 Meter Relay Finals | 1:32.69 | Relay Team | LaGrange (Lyons) |
| 4x200 Meter Relay Finals | 1:33.93 | Relay Team | Hinsdale (Central) |
| 4x200 Meter Relay Finals | 1:34.13 | Relay Team | Lake Forest (H.S.) |
| 4x200 Meter Relay Finals | 1:34.20 | Relay Team | Glen Ellyn (Glenbard West) |
| 4x200 Meter Relay Finals | 1:34.38 | Relay Team | Naperville (Central) |
| 4x400 Meter Relay Finals | 3:25.09 | Relay Team | Naperville (Neuqua Valley) |
| 4x400 Meter Relay Finals | 3:25.45 | Relay Team | Minooka |
| 4x400 Meter Relay Finals | 3:28.50 | Relay Team | Glen Ellyn (Glenbard West) |
| 4x400 Meter Relay Finals | 3:28.65 | Relay Team | LaGrange (Lyons) |
| 4x400 Meter Relay Finals | 3:29.80 | Relay Team | Darien (Hinsdale South) |
| 4x400 Meter Relay Finals | 3:30.10 | Relay Team | Lake Forest (H.S.) |
| 4x400 Meter Relay Finals | 3:30.46 | Relay Team | Orland Park (Sandburg) |
| 4x800 Meter Relay Finals | 7:45.80 | Relay Team | Orland Park (Sandburg) |
| 4x800 Meter Relay Finals | 7:55.38 | Relay Team | LaGrange (Lyons) |
| 4x800 Meter Relay Finals | 8:01.24 | Relay Team | Chicago (Whitney Young) |
| 4x800 Meter Relay Finals | 8:05.73 | Relay Team | Plainfield (South) |
| 4x800 Meter Relay Finals | 8:07.72 | Relay Team | Downers Grove (North) |
| 4x800 Meter Relay Finals | 8:09.92 | Relay Team | Naperville (Neuqua Valley) |
| 4x800 Meter Relay Finals | 8:11.00 | Relay Team | St. Charles (East) |
| 4x800 Meter Relay Finals | 8:11.74 | Relay Team | Minooka |
| 4x800 Meter Relay Finals | 8:13.62 | Relay Team | Darien (Hinsdale South) |
| 4x800 Meter Relay Finals | 8:15.42 | Relay Team | Hinsdale (Central) |
| 4x800 Meter Relay Finals | 8:17.40 | Relay Team | Palos Heights (Shepard) |
| 4x800 Meter Relay Finals | 8:17.40 | Relay Team | Aurora (Metea Valley) |
| 4x800 Meter Relay Finals | 8:17.50 | Relay Team | Geneva |
| 4x800 Meter Relay Finals | 8:17.80 | Relay Team | Maple Park (Kaneland) |
| 4x800 Meter Relay Finals | 8:18.10 | Relay Team | Naperville (Central) |
| 4x800 Meter Relay Finals | 8:18.38 | Relay Team | Downers Grove (South) |
| 4x800 Meter Relay Finals | 8:20.30 | Relay Team | Plainfield (East) |