Refresh Piste and Lift Segments
Sometimes if you record an activity with the wrong type i.e. you set SnowShoe but went Downhill Skiing the ascents and descents might now correlate to Piste and Lifts.
To fix this you will need to refresh the ascent / descent segments.
Select the Recording and Select Analysis
Select ascent / descent list.
Pull down on the list.
Press the update button
Updates
After a few seconds the list will refresh and you may find that the run count and other metrics will be updated. Most of the time this will be much more accurate.