Originally Posted by
ksryder
There's a lot of truth to this -- I found myself on a 30-ish mile section of rail-trail and my average speed on that section was lower, and I worked a lot harder, than I would have in a similar-distance of regular road riding, because there was never any coasting, just constant pedaling.
Unpaved roads have much higher rolling-resistance than a paved road. So, this is a poor comparison.