September 2024

The Ultrarunning Issue

Welcome to the Ultrarunning edition of Polar Journal. If a marathon feels like just a warm-up to you, this issue is tailor-made for your passion and endurance.

This month, we chat with Mikael Heerman, one of Finland's finest ultrarunners about what it takes to run for days on end without a break, plus Karel Sabbe explains how he fueled his record-breaking Pacific Crest Trail run with a cutting-edge and peculiar nutrition strategy. We also journey into the world's most grueling and loved ultra trail race as we unravel the ultimate question: How far can human endurance truly go?

It's all about EXTREME DISTANCES in the Polar Journal.

Cover Story

A Lifetime of Miles

For the better part of three decades, Mikael Heerman has logged countless miles on the trails and roads. His passion for running has shaped both his life and career.

Science

Are We Really "Born to Run?"

Ever wondered what stops runners in ultramarathons? We explore the science behind limitations like oxygen, hydration, fatigue, and more.

Reality Check

No Beard Required: Busting Big Myths About Ultrarunning

Thinking ultrarunning is just for bearded men fueled by kale? Think again! Here, we dive into the surprising realities of ultra endurance running, debunking myths about training, gender, and even facial hair.

In Conversation With

What Do Ultrarunners Eat?

Tuna for dessert? Liters of soda? Ultrarunner Karel Sabbe shares his dietary secrets from his record-breaking Pacific Crest Trail run.

Recommendation Corner

Silvia Puigarnau

Ultrarunner Silvia Puigarnau reveals her top shows and books for surviving weeks-long mountain training camps.

The Fundamentals

The Power of Running Poles

Boost your trail running with poles! Improve balance, engage upper body, and conquer tough terrain. Learn proper technique to elevate your performance.

Profiles