The im fotness marathon pro motorised folding treadmill is a superb home use running machine available to buy now with fast free delivery product overview the im fitness marathon pro is a fantastic mid range treadmill from the im fitness range it features a large 1330mm x 420mm running deck with powered incline which allows for a large stride length it also has 15 preset programs that are designed to give you a demanding workout computer console the computer has been designed to be as us