I have been invited to run with the CFRA B group sunday at Sears Point and I've accepted.
Should I get their insurance? CFRA | Insurance Options
From their site:
CFRA is a registered non-profit organization dedicated to providing quality track time to its members and their guests. We believe that you should know the people that you share the track with. To achieve this, CFRA is only allowed to grow in size by 10 new members per year. CFRA also sponsors dinners prior to most track events as well as several social events throughout the season such as banquets, lunches, Picnics, BBQ's, Karting, etc ...
PARTICIPATION OPTIONS:
Open track
Qualifying Competition
Exhibition Racing
Drivers with less than 10 days of experience run in the "B" groups with requires that corner passing only be performed with the acknowledgment of the driver being passed.