Check the icons to find out what kind of tracks they have. Most of them also offer to download the tracks as .gpx
Nice website with MTB tracks mainly from the Alps, but most description are in Italian
Database with more than 50,000 tracks from basically everywhere.
Dutch database with more than 2,500 tracks mainly from the Netherlands, Belgium, Germany and France.
Nice database with more than 50,000 Tracks from all over the world
Biggest database (we know of) with more than 90,000 tracks of more than 100 countries.
Database with more than 7,000 trails (not all of the with gps tracks). The site is only in German available.
Small German website with long distance hiking trails and some smaller hiking trails. -with gpx tracks.
Database with more than 5,000 tracks
Nice website with more than 100 trails in the Eifel. Site is available in German only
German website with long distance hiking trails which are divided into 10-20km portions -good for daytrips too
Database with more than 2,500 MTB Trails (focus on the US and Canada).
Quite new german database with 3,000 tracks.
Suggestions for more than 1,000 trips for any acivity -in german only.
More than 80.000 biketracks from almost everywhere. Nice mapsearch!
Nice mapbased database with more than 2000 hikingtrips