Originally Posted by
zimbo
There were at least three different times on my Blue Ridge Parkway ride last weekend where I was struggling to ride along on what appeared to be flat ground only to look down in frustration to see that the Garmin was reporting the sustained grade to be anywhere from 3% to 5%!! It was an amazing optical illusion.
--Steve
On my Kancamagus ride recently there was one section where I thought I was gassed (cause I was on the flat and having a hard time) but on looking at my Garmin realizing I was on a 2-4 % section. There were no visual clues that you were on a hill.