Trails

Those websites have several tracks from basically everywhere.
Check the icons to find out what kind of tracks they have. Most of them also offer to download the tracks as .gpx

Hiking

MTB

Climbing

Riding

Biking

Kayaking

Winter Sports

Offroad

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.

Nice website with MTB tracks mainly from the Alps, but most description are in Italian

Database with more than 100 bike-tracks, mainly from Belgium. The site is in Dutch.

Spanish trails database with more than 1000 trails. The site is in spanish only.

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

Database with more than 800 tracks, mainly from within Switzerland. The site is in German.

German website with long distance hiking trails which are divided into 10-20km portions -good for daytrips too

Nice big Database with more than 4,000 Tracks -only from France

Nice big Database with more than 10,000 Tracks with a focus on Northamerica

Database with more than 2,500 MTB Trails (focus on the US and Canada).

Database with more than 17,000 tracks.

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