Trails, USA
Those websites have several tracks from USA.
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
EveryTrail
Database with more than 50,000 tracks from basically everywhere.
EveryTrail
Database with more than 50,000 tracks from basically everywhere.
wikiloc
Nice database with more than 50,000 Tracks from all over the world
GPSies
Biggest database (we know of) with more than 90,000 tracks of more than 100 countries.
trailpeak
Nice big Database with more than 10,000 Tracks with a focus on Northamerica
singletracks
Database with more than 2,500 MTB Trails (focus on the US and Canada).
Bikemap
More than 80.000 biketracks from almost everywhere. Nice mapsearch!
Wandermap
Nice mapbased database with more than 2000 hikingtrips
