Sora-san, I use Garmin Mapsource software. Because I bought my GPS in the USA, I cannot use the detailed Garmin Japanese maps. (Maps will not 'unlock' for my GPS unit). But the rest of the software works OK. I use a free map of Japan, downloaded from this website, and installed onto my GPS unit with the Mapsource software http://www011.upp.so-net.ne.jp/mametaro/kanto-e.html Regards, Alan.
That is the actual trip log; after the fact. The MapSource software does plot elevation vs. time if you're using a map that has elevation data. I've just upgraded to one that does: www.uud.info Alternatively, this website www.bikely.com lets you plot out a route step by step and will generate an elevation profile for you. Maps are in Japanese though.