Zone 2 training is the low-intensity cardio most of us skip (and probably the reason your harder sessions feel tougher than ...

Zone 2 dominates the heart rate training conversation. It’s the backbone of the 80/20 rule. It’s where you thrive on easy runs. It’s the effort level you’re told to lock into for long runs and ...

During a long run, focus on easy pace for the majority of the workout. Then accelerate to your gray zone effort for the last several miles (aiming for that 5 to 6 RPE). For example, in a 14-mile run, ...

If you're actively working towards building a higher VO2 max, you're probably well aware that interval training is a requirement to achieve such feats. But it's also only one piece of the puzzle. VO2 ...

He was diagnosed with diabetes a year ago. His fasting blood glucose was 138 mg/dL, and his glycated hemoglobin was 6.8%. Normal levels are below 125 mg/dL for fasting blood glucose and under 6.5% for ...