City of the Sun 5K Trail Run at Cahokia Mounds
📍 Cahokia Mounds State Historic Site, 30 Ramey Street, Collinsville, IL 62234 · See all stories on the map
- When
- Sunday, November 8, 2026, 9–11 a.m.
- Where
- Cahokia Mounds State Historic Site, 30 Ramey Street, Collinsville, IL 62234
The annual City of the Sun 5K Trail Run takes place on Sunday, November 8, from 9 to 11 a.m. on the trails of Cahokia Mounds State Historic Site in Collinsville, Illinois.
Cahokia was one of the largest cities in North America north of Mexico, and the trails run past what is left of it. For what archaeologists found in one of its mounds, see our story on Mound 72.