Summary: Every time you run a marathon, you'll glean more information to prepare you for the next one, but with no past experience, some pitfalls are common to many first-time marathoners. I explain them here in the hope that you will not have that misfortune in your first marathon. Other topics: training schedule nutrition hydration weight loss weight gain Outside Magazine, "Tim Noakes on the Serious Problem of Overhydration in Endurance Sports," June 19, 2012, by Adventure Lab.
