Ride Levels:

     I    = 10 to 12.5 mph ride pace
     II   = 12.5 to 15 mph ride pace
     III  = 15 to 18 mph ride pace
     IV   = 18 to 20 mph ride pace
     V    = 20+ mph ride pace

Types:

Show & Go ride leader(s), level(s), and distance(s) decided at ride 

Social -Group stays together, rides at posted level, has ride leader.

Invitational- ride sponsored by a bicycle club or organization, registration fee required, sag stops, etc.