Interactive presentations of your trails!
Video cycling routes in sync with map and charts. When planning the bike trip you can check the route. You get video, interactive map and charts. Also, you can contribute and publish your routes
Oh damn, this is cool. And the few videos that are on there are also cool.
I found two more:
Relive that works directly via app: https://www.relive.cc
Gpx replay is aslo quite nice: https://gpx.pelmers.com
i'd be interesting if you could selfhost something like this