Don't forget to sign-up! Also you might want to arrive early!
You'll only have 20 minutes to set your best lap, that's only enough time to run a practice lap and then a timed lap since Nurburgring 24h is a very long track!
These are opposite GT Saturdays, a long-established event run for and by the forum members. There will likely be some problem caused by this overlap. Just thought you should be aware of this.
Good luck on your events. Sounds fun. I'd join you but there is that aformentioned GT Saturdays thing...