Cheers Dan, I'm playing with the settings rather than relying on Auto like I used to
Andy, Thanks for the kind comments

The longer shots were with a sigma 75-300, Needed a bit longer lens as we were on the bank at Clark curve, the cars were going anti-clockwise and turning out of Surtees heading up to Pilgrims drop. So a bloody long way haha.
I keep looking at 500mm lenses but they are bucks and I'd get little use from it. May just get a teleconvertor and see how I get on.