The Northwest Simulation Tour. Our favorite offline racing league, with the most reasonable rules and scoring criteria. Now with a new online division.
Some sections are for online racing only, but the rest is valuable information for any racer.
Still incomplete, but with on-going updates. Most articles are written by successful racers. It's supposed to be updated for N3 soon. SVRA Sportscar Vintage Racing Association. More parade than racing, but the old race cars are great to watch.