Eduardo Alonso | Polar Journal

Out of Office

Every year, the simple task of setting my out-of-office message signifies the beginning of an adventure—an opportunity to break free from all the distractions that clutter my everyday to-do list.

Outdoors Hiking

Marathon Training: Practice your Fueling Strategy

Preparing for a marathon? Ensure race day success by integrating optimal fueling practices into your training plan.

Running Marathon Nutrition

What Is The Orthostatic Test And How To Use It To Fine-Tune Your Training?

A simple and quick test can identify disturbances in your autonomic nervous system to help you assess your readiness for training.

Sleep and Recovery Orthostatic Test Recovery From Exercise

Act as an Athlete Lesson 1: Self-Discipline

If you want to act as an athlete, you need a good dose of tenacity. Marathon runner and Polar Ambassador Dani Mateo tells us how discipline and routine are key for both elite and amateur athletes.

Polar News Running Marathon

Dreaming of a Sub-3 Hour Marathon

The sub-3 hour marathon represents a culmination of years of hard work, discipline, and sacrifice A distant, yet attainable, lifetime achievement.

Running Marathon

Karel Sabbe: Out Running

After shattering several iconic fastest known times, ultra runner Karel Sabbe set out to finish the Barkley Marathons—a race that only a handful of people have ever completed.

Athletes Trail Running Ultra running

Will I Ever Qualify for the Boston Marathon?

Every year, on the third Monday of April, the Boston Marathon takes place. Qualifying for it isn’t easy, but it is the highlight of many non-elite runners’ careers.

Running Marathon

I asked ChatGPT to be my running coach. This is the plan.

Powerful new artificial intelligence is already changing the world, but can it be your running coach?

Running

The Hidden Beauty of Data

What if we could visualize the singularity of our bodies as unique art pieces? These three stunning artworks reveal the hidden beauty of all the data Polar Ignite 3 captures.

Polar News Circadian Rhythm Polar Ignite 3

Back to Bed: How to Fix your Sleep Routine after Summer

Did summer derail your sleep routine? Here’s a list of tips and tricks for how to improve your sleep quality as we head into the fall months.

Sleep and Recovery Sleep