In one of my random trawls through YouTube and the web, I've uncovered a load of stuff about RC Rallying - running 1/10th electric rally car over timed stages while the driver runs alongside.
Stuff like this
http://www.youtube.com/watch?v=gSc5f6RsoSE&NR=1
It seems to be big in the Czech Republic for some reason. Anyone know any more about it?