The fawn bitch i'm running at the moment has stamina to burn, she recovers very quick after good long runs and is ready for her morning walk at 6am after a good nights lamping. I put this down to keeping her fit and on a good quality diet. My philosophy is you only get out of a dog what you put in. I feed mine a little in the morning after a good nights lamping (she gets a lb of raw lamb) after her morning walk. Cold doesn't seem to bother her if i've got a lead in my hand come rain or shine she's wanting to be out.
Whippets do seem to lose condition when worked hard, but if you feed a good