This 20 week marathon training schedule will help guide you through from your first run to the finish line. Photo: Getty Images/Jose Luis Pelaez Inc.

How to Train for a Marathon in 20 Weeks Medically reviewed by Daniel Bubnis, M.S., NASM-CPT, NASE Level II-CSS , Fitness — Written by Emily Cronkleton on July 21, 2020 For all levels ...

Generally speaking, it takes between 12 and 20 weeks to train for a marathon, but most plans range from 16 to 20 weeks in length. No matter your level of experience, you do need three to six ...

This 20-week beginner half marathon training plan will get you to the start—and finish—line healthy and fit. Use this for your first 13.1 miles.

Your Week-by-Week Boston Marathon Training Guide Marathon coach Dan Fitzgerald has your next 20 weeks planned. By Jamie Ducharme · 12/2/2016, 11:15 a.m.

Half marathon training plans typically range from 12 to 20 weeks, depending on your experience and fitness level. Some runners need more time, while others can handle a shorter build up.

Week five of the half-marathon training plan for beginners includes a 5K race in place of your long run. Really, any relatively short local race up to a 10K could work.

For example, the Level 3 Boston Marathon program has a 17-20 mile run in week 16, followed by 18-20 in week 17. You could insert a week in between where your long run is 13 miles or so to give you ...