Everyone Is Doing Zone 2. Here Is Why People Are Still Getting Hurt.

Zone 2 training is having a moment. Podcasts, longevity researchers, endurance coaches, and your coworker who just signed up for his first half-marathon are all saying the same thing: slow down, build your aerobic base, do most of your training at a conversational pace, and watch everything improve. They are not wrong. Zone 2 training […]