I suppose it depends on what your definition of what ''borders' are?
If you have no run-offs but say have only the grey Scalextric Aramco barriers on a corner then larger 1:32 cars (such as Maserati Trofeos and Ford Gran Torinos), you will find you can rattle around that corner in the outside lane as the car will 'ride' the barrier stopping it deslotting giving outside lane a decent advantage.
This is what I refer to them as to stop confusion: