What makes a runner a runner? It’s more than just putting one foot in front of the other. Once the running bug bites, your days start to orbit around it — early alarms, playlists that match your pace, recovery rituals that feel almost sacred. Before you know it, running isn’t just something you do — it’s part of who you are.
In this edition of Polar Journal, we step right into the life of a runner — from the daily habits that keep you moving to the anatomy that makes every stride possible. We’ll look beneath the surface to see how muscles, bones, and tendons come together to power your run, and share a few ways to train smarter, not just harder.
We’ll also explore the quieter side of running: the recovery, the support crew that keeps you going, and even that love-hate relationship with foam rolling (you know the one).
And because Polar Journal just turned one, we’re celebrating with a special bonus: a fitness and sports glossary to help you stay on top of your running lingo (and never get lost in the jargon again).
Read Polar Journal #13 – The Life of a Runner
You’ll find inside:
- The Life of a Runner — an ode to how running reshapes your days
- Anatomy of a Runner — your muscles, bones, tendons — the engine behind every stride
- A Guide to Running Pace & Strategy — stop guessing, start training smart
- What Is Foam Rolling? — reality check on that post-run ritual
- Your Invisible Crew — celebrating the people behind your running journey
- Polar Journal Glossary — jargon busted, so you never feel lost in the lingo

If you’ve ever wondered what’s beneath the surface of a runner’s life — this is your issue.
Read Polar Journal #13 – The Life of a Runner
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Please note that the information provided in the Polar Blog articles cannot replace individual advice from health professionals. Please consult your physician before starting a new fitness program.