What breed of dog is good to take to run, but not a hyper dog.?

Dog would be able to run more than 5 kilometers. It would hyperactive, and could get along with a male English Mastiff.

Visit a shelter, "You'd be surprised by the companions available. You will need have your dog mastiff serve any new on neutral ground to make sure your personalities mesh. What running partner every time you choose, make sure you are physically mature and forced exercise in puppies under 18 months can have negative effects developemental.

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