Originally Posted by
Steamer
While I can't fault your analysis, I am wondering what major factors might influence the equivalency. So that sometimes it's 180 ft = 1 mile on the flat, and sometimes its 74 ft climbing = 1 mile on the flat, and sometimes something else. Obviously aerodynamics and body/bike weight count, but perhaps it's also the nature of the climbing too that plays a role.
Some guys suck at climbing...