Here is a gorgeous folding treadmill that gives you a good workout indoors. The YESOUL P30 has a speed range of 0-12 km/h. It has a 120cm * 42cm running area and can handle up to 120kg of weight. This treadmill has automatic and custom programs.
You can use this treadmill to run with a coach to stay motivated. You can also compete with friends in real-time.