I tried to make a route for any% (festival%) and I have a question. After reaching the eighth rank, the last race appears immediately. Do I need to pass the races before it or not?

For any% you need gold on every events, for Festival % is enough to unlock the 8th rank

Ok, thanks

Another question. If you need to win gold in every event, then how does Any% differ from 9000 points? It turns out that you also need to go through all speed and time-ticker events? Or not?

Yes but in 9000 points category you can skip the invitations (which in any% you cant skip them)

Now everything fell into place. Thanks