What Is Zone 2 Cardio? Benefits & Heart Rate
Zone 2 cardio is steady, moderate-intensity aerobic exercise that helps build endurance and improve cardiovascular fitness. Learn how to estimate your Zone 2 heart rate, use the talk test to find the right intensity, and choose activities such as brisk walking, cycling, or jogging. This beginner-friendly guide explains how to get started, how long to train, and what the evidence actually says about the benefits of Zone 2 cardio.