So far I’ve found this:

http://en.wikiloc.com/wikiloc

http://www.utagawavtt.com/
for France. Open in Chrome and it should auto-translate to English well enough to get by.

Not sure if you were looking for one site that will cover the whole world, but this one’s really comprehensive if you’re ever over here.

http://www.gpsies.com/home.do?language=en

IMBA’s map project but looks like US and Canadia only right now. Its a new thing, so I’ll bet that they will expand it at some point.

http://www.gps-tour.info/en/tracks/112.html

Germancentic, but covers the whole of Europe (and to a lesser extent further abroad).