I spent the few extra pounds and got access to all outfield areas. I could walk all the way around the track, which I did. The fences are quite high but not as high as they are at a motorsport circuit, like Silverstone for example. They do get in the way at the speedway at times but you can find spots where you can see over them. I was also invited onto a media platform, which gets you above everything that could be in the way. You have to pick your spot but it's do able.
The biggest problem for me was remembering to shield my camera from the gravel spray in the corners.
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