So what I'd like to see is more graphical information available in the "Profile" box.
A simple option to provide multiple simultaneous choices (overlays) of the presently existing options in the "Y-axis" drop-down menu would do it.
I'd still like to see this. Toggling between different Y axis displays isn't very useful for comparing different data types.
It would be nice to be able to see, for example, heart rate and elevation graphs overlaid on each other.
KenF