and by everyone saying that it will f**k the dog up, the bones are still soft like humans at a young age, and walking it that far,will gain muscle to dense for the bone structure therefore resulting in dodgy joints, could result in bowed legs, what ever it is, you obviously wont take a telling off a number of people who had dogs longer than you and i, and itl just result in your dog, not being as good as it could of been, so if your dog turns out quick and agile, it could of been better, patience is a virtue, anyway, you got the reaction you was hoping for...prick