One of my hardest days on the Colorado Trail wasn’t due to weather, fatigue, or my propensity for panic attacks at the base of 3,000-foot climbs. It was because—despite a full (and heavy!) food bag—I ...

What happens when an avid hiker and a long-distance runner tackle the same grueling mountain within a week of each other and then sit down to compare notes? You get an unexpectedly fascinating ...