Plan a running route with these 5 free run planner websites
https://www.ilovefreesoftware.com/06/featured/plan-a-running-route-free-run-planner-websites.html.
Unsurprisingly, 3 are using OpenStreetMap data.
This also means you can correct and add paths yourself if you ever notice some are wrong or missing.
@InsertUser @Doudouosm And all three of them (and trailrouter) use GraphHopper for routing :)