Trail Running & Ultramarathon

Kilian Jornet confesses what winning truly means to him.

Mount Everest has a rich and troubling history—with the many attempts and failures to summit the world's tallest mountain. Kilian Jornet adds to the mountain's lore with his latest attempt.

In this excerpt from Summits of My Life, Kilian Jornet chronicles the challenges and joys of ascending and descending Mont Blanc, the crowning peak of the Alps.

Guided by these 10 core values and a list of mountains, Kilian Jornet and his team put together the Summits of My Life project.

The highly anticipated Summits of My Life book shares Kilian Jornet's epic 7-mountain adventure in his own words and photos. Coming this October!

Hal Koerner has SEEN IT ALL. Here he gives you his advice on dealing with tough conditions while trail running or running an ultramarathon.

Some of us live in cities or flat areas that are less than ideal for training for hilly or mountainous trail races. What should we do about it?

See what athletes, experts, and the media have said about Jason Koop's book, Training Essentials for Ultrarunning.

Murphy is a 43-year old ultrarunner with 10 races notched on his belt.

Enter for a chance to win coach Jason Koop as your ultramarathon race crew!

Men's Journal has shared a gallery of photographs by Alexis Berg from Grand Trail on its website.

Enjoy a gallery of photographs from Grand Trail by photographer Alexis Berg.

Marathon des Sables is a legend, the ultimate adventure. A story of the desert, of life, of friendship.

An iconic American ultramarathoner for nearly 20 years, Scott Jurek runs to “access a state of being, a zone.” In 2015, this adept of veganism broke a legendary record—the Appalachian Trail.

Running is an individual sport, but as you get into the megadistances and you run farther and longer, the other runner is no longer an opponent but a friend—sometimes a lifelong friend.

Why does Kilian Jornet so often will stop to enjoy the scenery, chat cheerfully with his competitors, and stop to help fellow runners who are waylaid on the trail?

Running on trails does a body good. Thanks to varied terrain and softer natural surfaces underfoot, running on trails can both improve your overall fitness and be more forgiving to your body than road running.

Running on trails almost guarantees you some interaction with wildlife, and that’s a wonderful thing. Knowing what to do can keep these interactions positive.

Trail etiquette isn’t necessarily about hard-and-fast rules. It’s mainly about good manners and courtesy. Chapter 9 of Trailhead offers handy and important guidelines about everything from who has the right of way on a trail to how to best relieve yourself in the great outdoors to how to do our part to preserve nature.

If you run with a dog, you already know the rewards. Follow this guide to trail running with a dog safely.

Endurance Planet has interviewed ultrarunning coach Jason Koop in this 1-hour podcast.

Top ultramarathon coach Jason Koop shows us what’s in his 10-year old ultramarathon blister box.

Are you training the wrong way for ultramarathon? Jason Koop is head of coaching at CTS and shares the top four training mistakes he sees ultrarunners make.

Why did you drop out of the race? What was your biggest issue? Jason Koop describes the top reasons ultrarunners abandon the race.

Your ultramarathon pacers can make or break your race. Jason Koop shows how to train your race crew.

Runners of almost any fitness level can finish a 100-mile run simply by maintaining a walking pace.

The accepted wisdom among ultrarunners is that if you can't see the top of the hill, you should hike it. But Jason Koop suggests a more scientifically validated cutoff pace for deciding whether to power hike or run.

One of America's top ultrarunners shares his top 10 good habits for race day.

Hal Koerner lays out the basic steps you need to know to prepare for your first 50K to 100-mile ultramarathon.

Elite ultramarathon coach Jason Koop shows his proven 9-step blister fix for ultrarunners.

Brian Metzler spoke with Jornet about trail running, mountain climbing, and Jornet's remarkable achievements at the young age of 25.

The World's Toughest Endurance Challenges: Leadville 100 and the Badwater Ultramarathon

The World's Toughest Endurance Challenges: Iron Bike and La Haute Route

The World's Toughest Endurance Challenges: Yak Attack and Four Deserts

The World's Toughest Endurance Challenges: Red Bull X-Alps and Yukon Arctic Ultra

The World's Toughest Endurance Challenges: Trans Europe Footrace, Vendee Globe

The World's Toughest Endurance Challenges: Norseman and Patagonia Expedition Race