Last but not least you can use your recorded tracks for OpenStreetMap mapping. Editors like Merkaartor support opening .gpx files. To use a Marble .kml track in Merkaartor, first convert it to .gpx format like shown in the section above. Afterwards open the .gpx file in Merkaartor using Open in the File menu. For our example track there's nothing to do, however; other OSM mappers have already mapped this way as you see in this screenshot:
