Illinois large school division teams that have won the 4*800, 800, and 1600 at a single state finals (since 1997, per IHSA):
2000-York
2016-Sandburg
2023-Hinsdale Central
That is all.
Congrats to Dan, Aden, Michael, Grant, Kyle, Jesse &
@runHCXC
for putting up one for the ages.