Originally Posted by burnthesheep

Personally I find it super interesting that many folks self select running cadences that are nearly exactly double their cycling one (as cycling requires a full revolution but running counts each foot strike). I ride z2 thru z5 from like 85 to 100 rpm. I run z2 thru z5 at 170 to 190 run cadence. Which would be 85 to 95 equivalent on the bike.

I have a personal theory the bike cadence is some odd physiological adaptation of humans responding over the thousands of years to run stress and stride optimization.