So TrackAddix are going to put on some racing next summer for small bikes. They are going to be doing a Stock 300 Class and Unlimited 300 Class(250s can be run in both class, you can bore out the 250 to run unlimited(I need someone to show me how to do this)).
You can Keep up to date with the announcements and more information as it comes out at their Facebook page:
https://www.facebook.com/pages/TrackAddix/157958938070