When I got interested in ultrarunning, I started to think about how to fuel myself during a run. Before stepping up to ultradistances, I hardly considered eating during my runs a necessity. I also raced half-marathons and marathons on nothing more than water. Foolish, I know. Today, I know better and include a source of …
Once you start going beyond the 10k distance, you need to think about nutrition during your run. Whether you are attempting a half-marathon, the marathon, or an ultra-marathon, you will be better off with some fuel along the way. And while you certainly can finish a half marathon and a marathon without any additional calories …