Meet the A1 Robot Dog: a cute, agile quadruped robot that can run as fast as 11.88km/h. It can recover from drops and missteps. It weighs only 12kg and has max torque of 33.5NM in each joint. Thanks to its RGBD camera and sensors, it can follow people and get around obstacles.
This robot dog can run on all kinds of surfaces, including grass. You can find out more about it here.