have you tried motion based?
it’s a pretty cool site developed in partnership with Garmin…and it’s free. Plus it has some analysis tools as well.
here is an example of a paddle I did last week with my garmin gps 60c:
now I need to save up for a Garmin Edge 305 so I can track my heart rate… -sogopaddle
Sogo, the motionbase is pretty cool!
looks like its setup for training (ie; running & biking) specifically. It would be nice to see them add river gauges, wave hgt, etc. Another thing I like about it is others can download your track data…very cool!