Originally Posted by
patentcad
There are no windless days and there is no consistently flat terrain in NY's Hudson Valley.
Yeah, the calculator only takes into account speed, cadence, gearing, and tire/wheel size.
I have a ride file from the last Seagull Century (a.k.a., Assategue Century--pretty flat) where, for most of it, I led the Team BBC train. We finished the century at just a smidgeon under 21 mph.