Check out Active.com's section for running. They have very solid advice for newbies and a forum where you can chat with other newbies to share tips and advice. They often offer free training plans for new runners, or will give you links to other website's free plans. Runner's world.com is also great. Check out The Loop for other new runners. If you use their Smart Coach program it will generate a free marathon training plan totally customized to your preferences as to how often you want to run, when your long run day would be and how fast you plan to run.