Owning a dog can come with a lot of responsibilities, and there are so many different things for dog owners to think about. If you lead a busy lifestyle and have to leave your dog alone for long periods of time, you may worry about your pup getting bored, tired, or even gaining weight due to a lack of exercise, but there are options out there to help. A dog runner for the yard is a great example. Usually consisting of a long cable that can clip right onto your dog’s collar, these runner systems let your dog enjoy freedom and safety, able to run all over the yard without the need for supervision and without the risk of accidentally getting out. Here are some of the best dog runners around.