A couple of us are working on putting together some calendars with Chicago area events.
I'm opening it up to anyone and providing the links. If you have events to add, please let me know either in this thread or via PM. Shoot me a PM w/Gmail if you want to be added.
Autocross
Track Days
Rally (Track/Road/etc)
Races (professional/spectator)
Drag Races
Car Shows/GTGs/Meets