This one is also a movie star - http://www.ofmc.co.uk/aircraft/spitfire_hist.htm

I think this was a Junior's race?

As this is so clear as to allow me to read the name, I googled and found the following info on a website:

http://www.mustangsmustangs.com/p-51/survivors/pages/44-73149.shtml

Beautiful, do they always have the rear spoiler or is that only up as it was breaking?

That is a lot of detail! I couldn't even see that they were performing acrobatics.