Originally Posted by
GFish
Average weekly base miles > 40-100 miles
Average speed > 15.5 - 17.5 mph (depending on elevation gain)
Average cadence > 85 - 100 rpm's
.
Then my assumptions were wrong. You have enough base and should know what feels like a sustainable cadence for 40+ miles. Look elsewhere for answers - maybe more on the nutritional and stretching end.