The latest edition of Polar Journal is for anyone who’s ever thought, “Okay… but how do I stay fit for the long run?”
Because it’s easy to get swept up in one big goal. A race. A date on the calendar. A “get in shape by…” moment. And those goals can be awesome—motivating, meaningful, even life-changing.
But most of us aren’t actually chasing just one finish line.
We want fitness that sticks around. The kind you can build on, come back to, and carry into the next season of your life. The kind that doesn’t disappear the moment the goal is done.
So in this issue, we’re zooming out. We’re talking about the endurance journey: building a base, stacking small wins, and training in a way that you can repeat—without constantly running on empty. You’ll find ideas and insights on sustainable progress, plus why “easy” training matters more than you think.
If you’re deep in training right now, let this be your reminder to play the long game. And if you’re just getting back into it, consider this your permission slip to start simple, start steady, and trust the process.
👉 Read Polar Journal – The Endurance Journey
In this issue:
Endurance Training and Aging – Learn the specific physiological strategies that preserve your cardiovascular engine and keep the performance window open for decades.
For the Long Run – A perspective on fitness for the long term.
What are METs? – Forget about counting steps. METs can give a more accurate measure of your daily activity.
Moderate vs Vigorous Exercise – Fitness isn’t about what you do, but how hard you do it.
Tracing the History of the Treadmill – Discover the chaotic, bizarre, and dark history of the treadmill beneath your feet!
Read Polar Journal – The Endurance Journey
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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.
