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Looks interesting. It missed the multi-use trail that wraps around the area where I live - though its not on google maps either.

It may be that the trail near you isn't on OpenStreetMap (https://openstreetmap.org). If you're interested in fixing that (and thus the myriad of tools that rely on OpenStreetMap data), head to https://wiki.openstreetmap.org/wiki/Getting_Involved