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Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Sarah Lavender Smith's author page.

We asked pros like Mike Wardian, Sage Canaday, Stephanie Howe, and Rob Krar how they like to fuel before - and during - races.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Ultramarathon runners might have a new frontier of challenges. Snowshoe marathons have arrived.

Check out Sarah Lavender Smith's author page.

Consider this your 100% comprehensive guide to prepping for your best season yet. Use these tips to get yourself strong and fit for racing.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Todd Ragsdale was found dead near a trail in Lithia Park. He'd been reported missing after he didn't return home from a run.

Check out Trail Runner magazine's author page.

Between February 7 - March 28, 2015, 54-year-old Malcolm Law ran about 1,050 miles and he tagged 50 high peaks in New Zealand.

Stephen Jones, a well-known and much-loved figure in Utah trail-running circles, died in an avalanche in 2016 while skiing near Park City.

At the Olympic Marathon Trials, the mountain, ultra, and trail communities will be well represented as athletes vie for spots in Rio.

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When Joel Wolpert and Rickey Gates connected during a frigid Wisconsin winter, this video was the result.

You want to get in a run while you’re in a new place, and make sure you hit the best local spots. Enter the new app Trail Run Project.

Trail runners do romance a little differently: less candlelight and heart-shaped truffles, more mud and hastily ingested sugars.

Bob Adler, the dean of the University of Utah law school, wants to put his legs where his mouth is to help law students.

In moderation, running barefoot can make you stronger, improve running form and help correct imbalances. Here's how.

The Rocky Mountain Flylathon sends participants on a trail run. You must catch a fish. The bigger the fish, the greater the deduction from your time.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Trail runner and filmmaker Andrew Drummond set out to capture TDS, the epic companion to UTMB, and came away with these scenes from the race.

Watch Cody Callon get out into the wilds of the North Shore Mountains in this new short film.

Watch Rickey Gates and Dakota Jones run, raft, and scramble their way through one of Utah's famous slot canyons.

It's worth considering what we know about oral contraceptives and running. Here's a look at the pros and cons from a runner's perspective.

Running is different things for different people. For me, it has always been the place where I have to be the most honest with myself.

I boldly suggested that someone could run along a known local stretch of water faster than anyone could kayak it. And a race was born.

Your guide to exploring the legendary Easter Island, from where to stay and what to eat to the best races the remote island has to offer.

Your gut is home to trillions of helpful probiotics. Here are six foods to help you boost their immune-building power.

Here’s how the hormonal fluctuations of the menstrual cycle can impact your running, and strategies for optimizing performance.

Follow these 10 rules for happy, healthy racing no matter what your goals are.

When Marshall Ulrich needed to build strength, he took an unconventional approach — he started pulling to a discarded car tire.

This video follows the two elites to the 54-mile Comrades Marathon road race in South Africa and the Mont Blanc Marathon in France.

This video follows four athletes who took on an unusual challenge: skiing the snow-covered course of the Hardrock 100 Endurance Run.

The best way to build fitness is to build a big wall. Focus on putting in as many daily bricks as possible, even if they are really small.

Some athletes swear by cutting out caffeine in the days or weeks before a race. But what does the science say?

This video follows Death Cab For Cutie's Ben Gibbard on tour and into the Colorado hills, exploring his love of trail running.

When Adrian Ballinger and Emily Harrington were training to climb Cho Oyu in the Himalayas, they had a consistent tool: trail running.

In 2006, Brian Morrison collapsed with a few hundred yards to go at Western States. Now, he's back for redemption.

The nature of MUT running means drug testing is unevenly applied, policies are inconsistent, and the path forward is murky.

When Tom Mitchell ran the Tahoe 200, in 2015, he carried photos of 200 children diagnosed with cancer: one for every mile. Some lived; some had died. The 200th photo was of Mitchell’s own daughter.