There are 36160 tracks on RUN:TRACK:RUN. You can find all of them on the search page and filter by surface, availability and more.
You can easily add missing information by submitting the form on a track page. If your favourite track is missing, you can add it here.
When you contribute to RUN:TRACK:RUN you help fellow runners. If you are signed in you can display a link to your running related service to the runners searching your area.