Elite Performances
3 performances met the MileSplit US Second Team standard.
| HS Boys | Mark | Athlete | Team |
|---|---|---|---|
| 400 Meter Dash Finals | 48.93 | Willie Johnson | East St. Louis (Sr.) |
| 400 Meter Dash Finals | 48.93 | Willie Johnson | Notre Dame (St. Louis) High School |
| 400 Meter Dash Finals | 49.31 | Justin Robinson | Hazelwood West High School |