4SL2GPX Foursquare lists to GPX convertor Useful links https://developer.foursquare.com/docs/explore#req=lists/parsingphase/vanguard-way https://api.foursquare.com/v2/lists/parsingphase/vanguard-way?oauth_token=TOKEN&v=20170823 http://www.topografix.com/gpx_manual.asp#wpt http://www.topografix.com/gpx.asp