16K views · 19 reactions | Whether it's your first, next, or fastest marathon, we have a guide that is sure to help you cross the finish line stronger than ever! Our How to Master the Marathon program is designed for all levels of runners who want to tackle the iconic 26.2 mile distance. To enjoy this perk, you have to be a Runner's World+ member, so sign up today and let's get moving: https://runnersworldmag.visitlink.me/3BcVQ5 | Runner's World | Facebook