Start value in Elevation legend-table      Search Adr:
Distance between contourline-levels[m] [ you can either use the slider or make a manual input ].
+ m

download track file, download gpx file
Open gpx-file:

Speed:  m/s,  Height:  m,  Accuracy:  m,  Heading:  deg 

v v_eff
hmax: m
Elevation[m]