Elite Performances
36 performances met the MileSplit US Second Team standard.
| HS Girls | Mark | Athlete | Team |
|---|---|---|---|
| 4x200 Meter Relay Finals | 1:46.49 | Relay Team | Bolingbrook |
| 4x200 Meter Relay Finals | 1:46.98 | Relay Team | Chicago (Whitney Young) |
| 4x200 Meter Relay Finals | 1:49.01 | Relay Team | Lombard (Glenbard East) |
| 4x400 Meter Relay Finals | 4:03.81 | Relay Team | Chicago (Whitney Young) |
| 4x400 Meter Relay Finals | 4:05.57 | Relay Team | Mundelein (Carmel) |
| 4x400 Meter Relay Finals | 4:07.37 | Relay Team | LaGrange (Lyons) |
| 4x400 Meter Relay Finals | 4:09.83 | Relay Team | Winnetka (New Trier) |
| 4x400 Meter Relay Finals | 4:10.21 | Relay Team | Downers Grove (South) |
| 4x400 Meter Relay Finals | 4:10.68 | Relay Team | Lombard (Glenbard East) |
| 4x800 Meter Relay Finals | 9:27.27 | Relay Team | Chicago (Whitney Young) |
| 4x800 Meter Relay Finals | 9:32.87 | Relay Team | Hoffman Estates (H.S.) |
| 4x800 Meter Relay Finals | 9:35.29 | Relay Team | LaGrange (Lyons) |
| 4x800 Meter Relay Finals | 9:35.64 | Relay Team | Winnetka (New Trier) |
| 4x800 Meter Relay Finals | 9:39.47 | Relay Team | Mundelein (Carmel) |
| 4x800 Meter Relay Finals | 9:39.56 | Relay Team | Lisle (Benet Academy) |
| 4x800 Meter Relay Finals | 9:49.52 | Relay Team | Mt. Prospect (Prospect) |
| 4x800 Meter Relay Finals | 9:53.45 | Relay Team | Lombard (Glenbard East) |
| 4x800 Meter Relay Finals | 9:54.21 | Relay Team | Chicago (St. Ignatius College Prep) |
| 4x800 Meter Relay Finals | 9:54.58 | Relay Team | Yorkville (H.S) |
| 4x800 Meter Relay Finals | 9:54.64 | Relay Team | Downers Grove (South) |
| 4x800 Meter Relay Finals | 9:56.44 | Relay Team | Geneva |
| 4x800 Meter Relay Finals | 9:58.28 | Relay Team | Batavia |
| 4x800 Meter Relay Finals | 9:59.65 | Relay Team | Naperville (Neuqua Valley) |
| HS Boys | Mark | Athlete | Team |
| 4x200 Meter Relay Finals | 1:32.82 | Relay Team | Chicago (Whitney Young) |
| 4x200 Meter Relay Finals | 1:32.93 | Relay Team | LaGrange (Lyons) |
| 4x200 Meter Relay Finals | 1:33.22 | Relay Team | Naperville (Neuqua Valley) |
| 4x400 Meter Relay Finals | 3:23.63 | Relay Team | Naperville (Neuqua Valley) |
| 4x400 Meter Relay Finals | 3:28.55 | Relay Team | Chicago (Whitney Young) |
| 4x800 Meter Relay Finals | 8:04.17 | Relay Team | Naperville (Neuqua Valley) |
| 4x800 Meter Relay Finals | 8:04.23 | Relay Team | Lombard (Glenbard East) |
| 4x800 Meter Relay Finals | 8:05.50 | Relay Team | Chicago (Lane) |
| 4x800 Meter Relay Finals | 8:06.61 | Relay Team | Downers Grove (South) |
| 4x800 Meter Relay Finals | 8:17.38 | Relay Team | LaGrange (Lyons) |
| 4x800 Meter Relay Finals | 8:19.39 | Relay Team | Hinsdale (Central) |
| 4x800 Meter Relay Finals | 8:19.76 | Relay Team | Plainfield (Central) |
| 4x800 Meter Relay Finals | 8:20.17 | Relay Team | Romeoville |