Treadmills under $1500 can support running, unlike some of the cheaper options. They have larger motors and deck sizes, while maintaining a smooth and comfortable feel. Some of the most popular treadmills for home use fall under this category. Some treadmills under $1500 throw in lifetime frame and motor warranty. As well as a longer lifespan than treadmills under $1000. They also use higher quality parts and have many more built in workout options including hills, intervals, fat burn, and even heart rate controlled programs.

Always try before you buy! (Consumer Reports Fitness News)