Firstly as has been said, no matter how seriously some people take it we are all just playing with toy cars.
Not 1/10 OR, but to give you some ideas for filming these are the best videos I know of which give much better examples of what r/c is about than the usual dross TV companies film these days as 'entertainment'.
All have been filmed for TV.
WLRC on Top Gear - when they didn't take the piss
http://www.wlrc.co.uk/video/videos.htm
Wheelie Small - 2007 bike world champs focussing on the drivers
http://current.com/items/88858800/wheelie_small.htm
Why Don't You - aimed at kids but more chance of getting them interested in starting racing.
http://www.youtube.com/watch?v=2cRrV7j7tWo