

Heart Rate Zones 101: How to Train Smarter, Not Just Harder
Ever wondered if you’re pushing hard enough in your workouts- or maybe too hard? The answer might be hiding in your heart rate. In this episode, we’re breaking down heart rate training zones and what they mean for cardio, HIIT, and strength training, especially for women in midlife.
You’ll learn:
- Why heart rate is more than just a number on your watch
- The difference between training with % of max heart rate vs. Heart Rate Reserve (HRR)
- How to calculate your own HRR for personalized zones
- What heart rate typically looks like in strength training (hint: it’s not about staying in a zone!)
Quick HRR Example:
For a 45-year-old woman with a resting heart rate of 65:
- Max HR ≈ 220 – 45 = 175 BPM
- HRR = 175 – 65 = 110
- Zone 2 (60–70%) = (110 × 0.60) + 65 → 131 BPM
up to (110 × 0.70) + 65 → 142 BPM
So instead of a wide guess (105–123 BPM), her true Zone 2 range is 131–142 BPM.
Heart Rate Zones (% of Max HR):
- Zone 1 (50–60%): Easy effort, recovery walks
- Zone 2 (60–70%): Brisk walk, steady cycling; best for fat metabolism & endurance
- Zone 3 (70–80%): Moderate cardio; jogging, dance fitness
- Zone 4 (80–90%): Hard effort; sprints, hill repeats
- Zone 5 (90–100%): All-out bursts; short HIIT intervals
By the end of this episode, you’ll know exactly how to use your heart rate as a tool- not a guess, so you can get the most out of every workout without burning out.
🎧 Tune in and find your sweet spot.
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