For illustration purposes we have here a recording track, a route track and a selected track:
To enter now the height profile activity use
+ 
.
As the result we see the height profiles of all three tracks. For coloring please check the track definitions.
For the next example we take the following start situation: We have a route track with following height profile:
Now you can toggle on an ascent profile as an addition to the height profile (
+ 
+
Ascent height profile).
Now if we open the height profile activity
+ ), then we see
the same height graph (thick purple line) and additionally an ascent graph (thin purple line)
Be aware of the second scale on the right side, which is valid for the ascent graph.