It's not the size of the dog in the fight, it's the size of the fight in the dog. Mark Twain I have a dog named charlie she is a shi tzu mix and we enjoy walking every day -I love dogs and I believe exercise has a lot of benefits for your four legged friend. I can walk and I can run with your dog. depending on their energy level I can adjust my pace. I believe the walking for your dog has to be fun and they can enjoy the following benefits which include improved cardiovascular fitness, lower blood pressure, stronger muscles and bones (built up by walking regularly), and decreased stress. A regular walk is vitally important for your pet's health too.