But the rule of editing still applies: 1 hour for 1 km. Took like 10h for sure.
How to get it? If you build from sources just do git pull on your tracks and stuntrally repos, and stay up to date too. If not, well you could get it by file from there but if not, I'm also attaching it here.
I'll add track ghosts when I remember again how to create them

Long 8km stunt track, mostly pipe and half pipe, with loops, jumps and obstacles. Enjoy

It's not very GPU friendly, I got an AMD RX 570 now and it's still dropping to 24 or 30 Fps at times, when looking at middle part.
Here is the preview
