Quote Originally Posted by tom91ita View Post
With online registrations like motorsportsreg you might want to consider adding a field for log book number.

With that info you would see that although I raced in three classes this year, ITB, ITA & STL, there were only two cars involved.
We (MotorsportReg.com) do have this field as part of the vehicle profile and it can be optionally required by the event organizer (just FYI). We have other ways of distilling out participation numbers if that's the goal.