Here's a video of the 1951 point to point scramble (sorry, it's not road racing, but is pretty cool still).
http://motorbikearchives.com/Video-Gall ... Point.html
It's amazing how hard they were riding these bikes.
For those interested in doing a bit of cross training for VRRA, here's the VMX schedule (caters for riders who crawl around the track to those that go pretty hard):
http://www.sasquatchcycle.ca/stuff.html
Cheers