I looked around a little, no joy, but I would suggest reading the information available at the ECTA and Texas Mile Websites. You might want to contact those organizations directly, both have started from scratch....lately...
Read the scta rulebook, it will address some of the event and safety concerns you will have.
Organize a group of dedicated volunteers to help run the event.
Read about the troubles Bub is having on this website
Read everything in the ECTA, Bub and Texas Mile sections of this website.
Have you attended an event? That will get you a feel for what you are in for.