The Inca Trail to Machu Picchu is a moderate hike. It's not too tough but there quite a few Inca staircases to hike up and down, and the high altitude may affect some people. You can rent a hiking pole from us or in the main square of Cusco, as it will help with your balance and take the weight on your knees. Metal-tipped walking sticks are not allowed on the trail as they can damage the fragile surroundings.
It also depends on if you have experience trekking, your physical condition and your stamina