But even if there WAS a working strain, how would a type of dog that excelled at pulling things backwards over short distance then resting, be any use at all as a jogging companion?!
My point I suppose is that the working ability does not mean a dog is suitable for jogging with, in fact probably the opposite, the sort of strength in short bursts required to be good at their job would be a nightmare to try and match if jogging.
Think powerlifter running a marathon for extreme comparison.
Ideally it would be a dog that could expend energy over a period of a longer time, an hour or mo