The New Rules of Hydration

There's a ton of misinformation about how much to hydrate and when, but the basics are actually pretty simple. Here's what you need to know. Robert Sallis has seen it all. As a medical director for the Ironman World Championships in Kona, Hawaii, he’s spent 20 years watching athletes in every

“The Runner Box” Colorado Runner of the Month: Zach Miller

In December Zach Miller repeated as champ at The North Face 50 Mile championships in San Francisco, fending off an epic challenge from upstart Hayden Hawks and a year's-best field. That win earned Miller $10,000 and our December "The Runner Box" prize. In this Q&A, he tells us about his…