From OpenStreetMap Wiki
Gpsies.com is a website which lets you find and download tracks for walking, running, hiking, cycling etc.
- You can search for tracks by category, view the altitude profiles and download the tracks in a variety of formats.
- You can also upload and publish your own tracks on the site.
- It makes use of several map suppliers, including Openstreetmap.
As well as the website, there are a number of other interfaces to access the track data on the site.
- Website: http://www.gpsies.com