Heart Rate

When it comes to sports, it's good to take matters of the heart seriously. Read how your heart rate can help you train and recover smarter.

Heart Rate Zones

Learn how to determine your heart rate zones to monitor and adjust the intensity of your workouts.

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Resting Heart Rate 101: Everything You Need To Know

Your resting heart rate is an excellent way to measure the development of your aerobic fitness.

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How To Calculate Your Maximum Heart Rate

Determine your max HR to calculate your personal heart rate zones.

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Heart Rate When Running: What is Normal?

Discover essential heart rate metrics when running.

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Why Do I Have a High Heart Rate During Exercise but Feel Fine?

Your heart rate when running will fluctuate from day to day due to external factors. Learn more about what factors affect your heart rate while exercising.

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How Fit Are You, Really? Your Heart Rate Has The Answer

Read which heart rate variables reveal the true state of your fitness.

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Endurance Training | Heart Rate Zones 1-3

Learn how long, slow workouts build your endurance.

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Anaerobic Training | Heart Rate Zones 4-5

Boost your power and performance by hitting the higher heart rate zones.

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Heart Rate Monitoring – Discover The Sweet Spot Of Exercise Intensity

Do you know if you’re hitting your sports and fitness goals or even headed to the right direction? Heart rate monitoring is the best way to gauge your exercise intensity.

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Heart Rate 101: Your Essential Guide

Stop flexing those biceps and start measuring your heart rate if you want to be truly fit. Here's why it's your essential metric.

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Heart Rate Data Analysis For Running And Recovery

You asked and Nick answered! Yes, we challenged running coach Nick Anderson to share his expertise on a selection of your questions about effective ways to use data for running training

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Heart Rate During Exercise: What's Normal, Average, and Target HR?

What can your heart rate tell you about your workout – even while you're in action? We get to the heart of your training to see what it reveals.

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Why Heart Rate Training is the Smart Way to Workout

Want to train smarter, not harder? Of course you do. Here's everything you need to know about heart rate training.

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How to Create a Heart Rate Training Plan

Discover how to find the right tech and create a training plan using your heart rate zones, low-heart rate, or HIIT.

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How Heart Rate Monitors Changed Endurance Sports

Intensity training became a popular concept in the mid-80s when heart rate monitors rapidly changed the approach to endurance sports.

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How Optical Heart Rate Monitoring Works With Polar Precision Prime™

Here's how optical heart rate monitoring works and how it compares to other heart rate measurement technology.

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How To Measure Your Resting Heart Rate

Your resting heart rate tells you a lot about your body. Learn how to accurately and easily measure your resting heart rate.

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Low Heart Rate Training – Why Running With Low HR Works

Learn it from pros who prefer low heart rate training over high-intensity workouts and tell us why and how they do most of their training in HR zone 2.

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Speed It Up To Lower Your Resting Heart Rate

If you're looking for a way to permanently lower your resting heart rate, the experts’ advice is unanimous – here's what you should do!

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What Is Optical Heart Rate Tracking?

What is optical heart rate tracking and how is it different from heart rate measured with a chest strap?

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