text: You are doing great by planning so far ahead, a typical training schedule for a marathon takes about 18 to 20 weeks.  \n\nHere's some links to marathon training guides, with complete schedules for beginners and advanced runners.\n\nhttp://www.stlouismarathon.com/event_details/training_guide.asp\nhttp://www.fleetfeetstl.com/Training_Plans.htm