I think the original goal was a single event for fun. No real classes, just a bunch of cones and some timing equipment. I think, due to the nature of this forum, that would be the best format for the first event.
Then, if things go well, we can look into more complex arrangements like a training day and even CR classes. But for now, let's keep things simple.
Find a sanctioning body to supply the insurance and equipment.
Split the antendees in half with experiences AutoXers in both halves.
Have a morning heat.
One group works while the other runs.
Switch.
Take a break to shoot the shit and have lunch
Then an afternoon heat with both groups.
Finally pack up, go over results, and go to a restaurant for late lunch/early dinner and a beer.
And then afterwards we go home, post results on CR, and commence smack-talk and call-outs for the next event.
The key here is Low Pressure.