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Heart Rate Training

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.

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Running in the aerobic threshold

What Is Aerobic Threshold: An Athlete’s Guide

What are anaerobic and aerobic threshold, what is the difference, and why do they matter? Here’s everything athletes need to know.
Heart Rate Training
A woman running outdoors

Anaerobic Threshold: What Is It And How Can You Measure It?

What is the anaerobic threshold and why does it matter if you’re looking to improve your performance?
Heart Rate Training

Continuous Wrist-Based Heart Rate

Continuous wrist-based heart rate tracking is an easy, yet insightful, tool to help you achieve your fitness goals. Here’s how it works.
Heart Rate Training Polar News

What Is Cardiac Drift And How It Affects Your Training

What is cardiac drift and how does it affect heart rate based training? Sports scientist, marathon runner and Ironman finisher Benjamin Garcia gives us the nitty-gritty.
Heart Rate Training
Measuring resting heart rate

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.
Heart Rate Training

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. Learn all about what affects your resting heart rate.
Heart Rate Training
Tracking heart rate

How To Calculate Your Maximum Heart Rate

When you know your maximum heart rate, you can calculate your personal heart rate zones to train at the right intensity. Read more about how to determine your max HR.
Heart Rate Training Calculators
Heart rate while running

5 Factors That Influence Your Heart Rate While Running

Your heart rate when running will fluctuate from day to day due to external factors. Learn more about what factors affect your running heart rate.
Heart Rate Training Running
A running workout with HR

Heart Rate Zones | The Basics

These 5 running heart rate zones indicate how hard you are working. Calculate your zones and train in all zones to improve your running faster.

Heart Rate Training

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