These are a hoot. They just got these going and it's growing each week. I have not raced road bikes in years.... these have gotten me hooked again. Another 6 races to go! Tuesday late afternoon/evenings...
More info at https://www.facebook.com/AllAmericanGrandPrix?fref=ts
This is an aerial video of a couple laps of the "C" race.
All American Grand Prix Training Crit Series - QuadCopter aerial - YouTube