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The latest Polar news, expert advice, and hottest topics in sports, fitness, and training.

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Andy Potts recovering from sports injury

How To Cope With Sports Injuries – And Come Back Stronger
Sleep and Recovery
most common running injuries

5 Common Running Injuries – Why They Happen And How To Prevent Them
Running
Molly Huddle workout recovery

recovery After Running – Post Marathon And Short Races
Running Sleep and Recovery Marathon Polar Athletes Recovery From Exercise

How 5 Pro Athletes use Data For Post-Race Analysis
Polar News Data Polar Athletes
rest day

7 signs you need a rest day
Sleep and Recovery
Running with Polar and Nike

Polar Flow Connects With Nike+ Run Club
Polar News Polar Flow
ultra running 101

Ultramarathons 101
Running Marathon
Keeping active to stay fit

How Long Does It Take To Start Losing Fitness?
Workout
Madi Serpico measure fitness

6 ways to measure your fitness
Workout
Running in the aerobic threshold

What Is Aerobic Threshold: An Athlete’s Guide
Heart Rate Training
A woman running outdoors

Anaerobic Threshold: What Is It And How Can You Measure It?
Heart Rate Training
Polar M430 running

What to know about adding steady-state cardio workouts to your routine
Workout Cardio Workouts

5 Benefits Of Steady-State Cardio Training
Workout Cardio Workouts
Triathlete looking at post-race recovery data

Post-Race Recovery – The First 168 Hours After Triathlon
Sleep and Recovery Recovery From Exercise
HIIT pro

6 Ways To Approach Your HIIT Workout Like A Pro
Workout HIIT
HIIT modified plank

HIIT Workout You Can Do at Home – No Equipment Needed
Workout At-Home Workouts HIIT

7 reasons you had a bad run
Running
Breathing while running helps

How To Breathe While Running | A Step-By-Step Guide
Running Guides
Polar Flow Quick Guide

Your Essential Guide To Polar Flow
Polar News Polar Flow
Working out in the morning

Start Your Day With A Morning Workout | Infographic
Workout Infographics