How fast can an ordinary dog run

How fast can an ordinary dog run ordinary dog’s maximum speed of 50 kilometers per hour, the world’s fastest dog is also known as the griffin’s maximum speed of 70 kilometers per hour. If a trained athlete, his average running speed is only 20-30 km, the average person running is only 10 km per hour speed, that is, if it is in a short period of time running premise, people running at full speed, it is still possible to run over small dogs, but the long time endurance is not stronger than the dog. People can not run dogs, first of all, in the process of running, whether it is four legs or two legs, contact with the ground only one leg, and people are upright walking animals, dogs are on all fours, which means that the dog’s leg change frequency is faster than humans, so the faster the movement. Plus the human center of gravity is high, while the dog’s center of gravity is low, running more solid.