


Intermediate marathon training plan: This 18-week marathon training schedule can be used by intermediate runners who have already run a marathon, currently run five days a week, and can run up to 6 miles at a time.Advanced beginner marathon training plan: This 20-week marathon training schedule is for runners who can run 4 miles comfortably and can run four to five days per week.22-week beginner marathon training plan: This marathon training plan gives beginners a couple more weeks of training.To start this training plan, you should have a running base mileage of 12 to 15 miles per week. Beginner marathon training plan: This 20-week schedule is geared toward first-time marathoners.
