Originally Posted by
Steve B.
The problem comes when you try to use multiple on-line data collectors, Connect, Strava, RWGPS and they all show different things. Then you wonder who’s correct and what total elevation gain/loss loss is real. If you stick with just one and never look at the others........is it still real ? Lots and lots of posts on assorted forums about this, is why I never pay attention to elevation.
If you have a watch, you always know what time it is. If you have two, you can never be sure.
Ride up a hill, get USGS quads or any other topo maps, find the starting and ending elevation, then see which service comes closest to the truth?