Incorrect Total Ascent on Garmin Edge 820 after latest update

I recently noticed this problem: while the altimeter is working fine, showing the correct altitude, the Total Ascent of the ride is very incorrect. It's adding up much slowly than it is supposed to be, or not adding up at all on some steep sections. At the end of the ride, the Total Ascent is much lower than it is supposed to be.

For example, after climbing from 700 meters to 1700 meters altitude, with some small descents in between, the Total Ascent was obviously supposed to be minimum 1000 meters, but it was only around 600 meters. The Total Ascent for the whole ride was 800 meters, while my friends had 1400-1500 meters (they also have Garmin Edge, 820, 530, probably without the latest update). The same day, another ride with some steep climbs, same problem.


I think it's because of the latest update...


Please fix ASAP, this is totally wrong. 

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  • yeah, total ascent is pretty much crap on 11.2.  I rode 54 mile in North Georgia today... My Edge 820 running 11.2 showed 5,443 (ft) of elevation gained.  My buddies Wahoo Element showed 6,201 ft.  Thats a pretty big difference!  Not saying his is correct, or mine is wrong, so I logged into Garmin Connect and enabled Elevations Corrected... It adjusted the elevation gained to 6,852 ft?!  I did it as well on Strava, and now it shows 5,904 ft

    So my elevation gained for today's ride is somewhere between 6852 and 5443?!  With my Edge showing the absolute low end of the range.  I know there are varying things that can affect the elevation calculations, temp, air pressure, etc. but these variances are crazy...


     

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  • yeah, total ascent is pretty much crap on 11.2.  I rode 54 mile in North Georgia today... My Edge 820 running 11.2 showed 5,443 (ft) of elevation gained.  My buddies Wahoo Element showed 6,201 ft.  Thats a pretty big difference!  Not saying his is correct, or mine is wrong, so I logged into Garmin Connect and enabled Elevations Corrected... It adjusted the elevation gained to 6,852 ft?!  I did it as well on Strava, and now it shows 5,904 ft

    So my elevation gained for today's ride is somewhere between 6852 and 5443?!  With my Edge showing the absolute low end of the range.  I know there are varying things that can affect the elevation calculations, temp, air pressure, etc. but these variances are crazy...


     

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