Originally Posted by Garfield Cat

There is a shock when we are 30 something going on 40. At 20 we can easily get into shape with some effort. But after mid 30's it takes longer. We can't expect to do a few workouts and expect instant improvement. Its even more work at age 50.

Also the older, the more one can get out of shape quicker. Maintenance is the key thing, even if its short, easy miles.