Yes, but its all relative as most of my friends my age (still no that old yet) look at any MTB riding in amazement. Seem to be just another bike rider now with little or no speed! Had twenty years+ without a major injury built up MOJO, built up the speed and where appropriate the height.
Then after three broken collar bones in two years, one of those falls had me in intensive for a week. So in all: too much time off work, too much impact on income, my physical state and family life - I now pootle about, mostly on a SS or 29ner. My wheels seem to cling to the ground, no drifting 
and last week on a gravel to fist size stones longish dh green lane (one I used to scream down) I pick my way down maybe up to and including moments of 15mph!. I am even cautious cornering my road bike in the dry. As a courier years and years ago I slid and drifted - lent at all angles used all bits of road etc
Maybe an age thing. My reactions are slower, I definitely do not see as well or as fast (I am the only one where the lack of speed of my focus change is a factor in slowing me down?), dim light is grim -used to be fun.
Building a new bike, my third Soul (to put Soul back into my riding) and a big Troutie light and planning time with Tony so might pull a bit back.......
Still love going out but currently feels dangerously close to bike path/family trail riding.
mixing the pub and riding is a winner
