+1 for a sticky.
Another HPDE organization that focuses on more of a coaching aspect that is still great fun is Hooked on Driving (common known as H.O.D.) They have a very new, and very well run PacNW section. Most of their events are out at Oregon Raceway Park but also run at PIR (Portland International Raceway,) and The Ridge.
Here's a calendar of their nationwide schedule:
http://www.hookedondriving.com/hooked-on-driving-events
Another car club that runs events in the NW is Audi Club Northwest. They don't run often but they put on a good show. Here's their website:
http://www.audiclubna.org/chapters-t...ific#northwest
Another great organization, and one that I'm well versed in, is ChumpCar. If you haven't heard of them, they are just like 24 Hours of LeMons, and Star Projects "Rat Race." They run all across the country but Portland was their inaugural event and is sort of their home track. ChumpCar is a little more racing focused than LeMons, which is one of the reasons I like them over LeMons, but all of these organizations provide a fantastic service: cheap, fun, grassroots racing.
http://www.chumpcar.com/
Shameless self promotion: I try to spend lots of time on the track and it's paying off. My name is Joe Casey and I'm an instructor for the Oregon region of Porsche, and BMW car clubs, as well as for Hooked on Driving (I'm also available for private coaching.) I highly suggest trying any of these organizations out, you'll have a fantastic time, learn more about driving in one day than you thought possible, and likely come away with a new or enhanced passion for driving.
As a word of advice for new comers, it's worth noting that Alfa Club runs their program a little differently than the others at PIR. Audi, BMW, Porsche, HOD and others all deal with passing in the same manner, and for a beginner I like the consistency between the programs. What Alfa does is fine, but they're the odd man out, but they generally only run once or twice a year at PIR so it's not too big of a deal.
Big thanks to rice_classic for starting this thread and I hope to see you all out there.