I came across a new park yesterday that is open but has lots of trees with not many low branches.
These sort of parks are great for fast tree runs and this one had lots of paths that help you navigate.
So my plan is simple - do a quick reconnoiter around and see what its like then go fast into the trees without any particular path and if one gets in my way - turn.
The plan came off with success mostly and my vocal exclamations as I flew around the park likely startled some wildlife, but I will definitely be going back here and putting even more speed into it.