Assuming everyone in the list currently (including the unconfirmed people) come, that's 31 people. The maximum amount of drivers is 48, so come on guys. We can have a few more yet (17).
All you need to do is be able to get to Northampton area on July 1st for about midday. People are coming from all over already, so lifts might be possible, and it WILL be huge fun. You will meet people you never thought you would, and make friendships that will make racing with them so much more fun.
At £60 per person, for about an hours driving or something, it's very good value for money compared to almost any other karting event in the UK.