BWillow dates
Tech is Friday, Aug 14th. This is where they first check our safety, then assess the legitimate(ness) of our entry. This is a complex mating dance involving begging, indirection, cheating, and bribes. If you're impressive enough (ie. just plain nuts), they'll award BONUS laps (ie. give you a head start in terms of lap count). If the axe swings the other way, you get penalty laps - I think to the tune of 1 lap for every $10 overspent.
Saturday Aug 15th and Sunday Aug 16th are the actual race. Saturday tends to be pretty conservative, as there are a high number of cars still running and everybody is trying to save their cars for the sprint.
Sunday is when the mayhem happens, really. But both days are pretty much non-stop action, both on the track and in the pits.
If you've not seen one in person, I highly recommend it.