• Zone 2 training changed my performance more than any program โ€” here's the data

    Six months of tracking. First 3 months: mostly high-intensity training. Average resting HR dropped 3 bpm. Next 3 months: 80% Zone 2 by volume. Average resting HR dropped 11 bpm. VO2max estimate increased 12%. The elite coaches talk about Zone 2 because it works. I have my own data now.

  • Six months of tracking. First 3 months: mostly high-intensity training. Average resting HR dropped 3 bpm. Next 3 months: 80% Zone 2 by volume. Average resting HR dropped 11 bpm. VO2max estimate increased 12%. The elite coaches talk about Zone 2 because it works. I have my own data now.