@spencexyz regarding a federated kind of Strava, do you know https://wanderer.to/ ? It recently added federation support and does the social part of Strava well.
... which is why I'm currently not working on #WueRide which @emeline mentioned. @clew
... and I really like the idea of having a federated decentralized "POI thingy" like your campsites in the USA, but not limited to that