Jogging with a dog splits into two completely different setups, and which you need comes down to whether your dog runs or rides. A fit, mature dog that can keep your pace needs a hands-free leash, a waist-worn lead that frees your arms for a natural running stride and absorbs the jolt when your dog surges or stops. A puppy, a senior, a small breed, or a flat-faced dog that cannot sustain a run needs a stroller instead, so it can join the outing without being pushed past its limits. We looked at both. On hands-free leashes, the things that matter are a bungee section that cushions sudden pulls, padded dual handles for control near roads, and a waist belt that does not dig in. On strollers, we judged frame stability at pace, smooth wheels, the zipperless or quick-entry design, and the stated weight limit. Never start a young dog on hard running before its growth plates close, and check with your vet about the right age and distance for your breed.