(Review requested)

You need to add a tag to tell data consumers what sort of object this is, which in this case is highway=track

You could also add tags describing the width (in metres) and surface type, see:
https://wiki.openstreetmap.org/wiki/Tag:highway%3Dtrack
https://wiki.openstreetmap.org/wiki/Key:surface
https://wiki.openstreetmap.org/wiki/Key:tracktype
https://wiki.openstreetmap.org/wiki/Key:width
