Tag: aerobic base
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Zone 2 Running Getting Harder? What That Really Means for Your Endurance
Understanding the Zone 2 shift If your “easy” runs no longer feel easy, you’re not imagining it. As your aerobic system strengthens, the same heart rate can feel like more work. This isn’t a flaw in your training; it’s a sign your body is adapting. Zone 2 training aims to build aerobic capacity by keeping…
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Why Your Zone 2 Running Feels Harder—and What to Do About It
Understanding the Zone 2 Shift If your “easy” runs no longer feel easy, you’re not imagining it. As your aerobic system gets stronger, the same heart rate can feel like more work. That shift is a sign of progress, not a failure. Zone 2 running is designed to be sustainable aerobic work, but when your…