Originally Posted by
megalowmatt
I think it all depends on where you live. 3000 feet of climbing verses a flat 60+ miles can make or break you.
Even trained lots of climbing makes the century tough.
On the 28th of this month I'm doing one that goes up and over Highwood Pass TWICE here in Alberta... about 2200m (7200') of elevation gain overall.
... I fully expect to nearly die regardless of what pace I go.