Marathon Training Plan Beginners Quick. For an average marathon training plan, it's usually 16 to 20 weeks long. You have 3 choices and they’re based on your physical fitness level:
And you’ll work on becoming a more efficient runner through a large selection of speed runs. On the other days, you can work on low intensity exercise such as yoga or pilates and, most importantly, rest your legs to allow them to fully recover. Most importantly you’ll be a.