Thank your for contributing and improving OSM data. I assume that the recorded tracks could be tagged as highway=path instead of highway=footway (which e.g. means it should be paved), following these instructions: https://wiki.openstreetmap.org/wiki/Tag:highway%3Dfootway
I think you are right here, I've not yet covered all of the paths but next time I survey I'll change it over. These are not paved, more like a compacted dirt. I've been meaning to check out the specific tag to use for the surface on the wiki as I had more detail here.
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