Originally Posted by snowklinger
3. the gps on your phone is inaccurate anyway unless you use an app like ski tracks that adds slope into the equation.
Why is this? I thought speed was speed?
Curious because I use ski tracks and as of late an app called maprika, because it overlays your runs on the resort map.
In Maprika it tracks speed, but I don't think it tracks slope and have no idea if it takes that into account.