Originally Posted by
chaadster
I’ve noticed the variation at times as well, however, looking back at recent rides, it is not consistent, and sometimes (usually, at least recently) the two averages (in Overview and Analysis tabs) match.
For me, it's always "faster" on the analysis page unless the ride is short, in which case they may be the same. Except of course, Zwift rides. Those are always the same - I assume because the differences in data processing are most important for stop/starts, and there aren't any of those in Zwift.
The effect might be device dependent.
Oh yeah, and Zwift "speeds" are pretty much meaningless to begin with.