Long, slow distance training, a.k.a. zone 2 workouts, might seem too easy to create a training effect, but spending time at a conversational or endurance pace is fundamental to your performance. “Zone ...

There are many expressions that support the paradoxical claim that to go fast, it’s best to go slow. One of my favorite comes from the 12-step model of addiction recovery—which goes: “Failing to plan, ...