xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd" Transformation restrictions from KML version 2.0 to GPX version 1.1 are as follows: KML file structure needs to be: 'Document' with a 'Folder' named 'Waypoints' with waypoint 'Placemarks' a 'Folder' named 'Tracks' with sub-Folders for tracks each track subfolder contains a 'Placemark' named 'Path' with a track path and a subfolder named 'Points' with track point 'Placemark's. a 'Folder' named 'Routes' with sub-Folders for routes each route subfolder contains a 'Placemark' named 'Path' with a route path and a subfolder named 'Points' with route point 'Placemark's. by William A Slabbekoorn aka Cybarber, September 2005.