Elite Performances
3 performances met the MileSplit US Second Team standard.
| HS Boys | Mark | Athlete | Team |
|---|---|---|---|
| 400 Meter Dash Finals | 49.14 | Max Arias | The Haverford School for Boys |
| 400 Meter Dash Finals | 49.64 | Hunter Small | Garnet Valley |
| 400 Meter Dash Finals | 50.24 | Raheem Naughty | Ballistic Response Athletics |