Trail Running

We put more than 150 trail shoes through hundreds of miles of rocky singletrack, sandy paths, and muddy forests. These 18 emerged as the best.

Having run in every plated trail shoe made, we find the Adidas Terrex Agravic Speed Ultra the first that matches road supershoe performance without sacrificing trail-handling prowess

Arbitrary goals are nonsensical. They also can be the source of great joy.

The Rab Veil 12 comfortably carried everything we needed on runs from neighborhood jogs to 100-mile adventures—and let us reach what we wanted without taking the pack off

We tested more than two dozen running packs on rugged trail adventures and easy road runs. These seven came out on top.

Our newest brand, powered by the editors of Outside, is ready to fuel all your running passions

Strava’s year-end report shows that more runners are turning to competition and how different generations compete differently

America’s hard-bitten wildland firefighters are switching gears in the off-season to run ultra distances

Moroccan trail-running star Elhousine Elazzaoui knows how to top up his tank for reaching the highest podiums in the sport

With the Olympics, otherworldly shoes, and trail running at a crossroads, 2024 could be the most fascinating year in running ever

Jenny Hoffman ran across the U.S. in record time, while Karel Sabbe set a new record on the Pacific Crest Trail

The most memorable running articles of the year, according to the editors of Outside Run

Here’s a look at the gear, tech, and media our Outside Run editors loved last month

As people get called back to the office in cities, now might be a good time to chase the mountain-living dream, especially in these lesser-known areas

A 125-mile traverse of the southern Japanese Alps, from Kyoto to Tokyo, onsen to onsen

The Merrell trail running athlete shares her experience of discovering a BRCA1 gene mutation—and pursuing her dreams anyway

Just 16 months after his first leap, Jonathan Cox completed 102 jumps in 24 hours

Criminal-turned-athlete John McAvoy is harnessing the transformative power of sport to put young people on a better path

After 60 years, the JFK 50 Mile Race is sticking to its community-centered approach, and people keep showing up

The annual challenge has become a competitive—and borderline obsessive—endeavor for runners and hikers

Here’s a look at the gear, tech, and media our Outside Run editors were obsessed with last month

Without an official definition, this alternative term might be more useful

Inside the spectacle of ultrarunning’s most festive top-tier 100-mile race

A peek into local community-based races ranging from turkey trots to ultras

When you’re plodding so slowly it feels like you're moving backwards, wouldn’t it be better to just... walk?

Eli and Tabor Hemming are having a banner year in the short-course trail running world, but the Golden Trail World Series finals might be their ultimate test

As popularity in trail running skyrockets, so too are wilderness medicine courses that focus on common trail running injuries. Here are some critical ways to stay safe on the trail as seasons change.

From tie-dyed sweat suits to rugby-inspired shirts, autumn is bringing some unique and fashionable pieces to the running world

Aire Libre is a series of ecocultural retreats that brings runners together in lesser-known corners of the world to connect with wild space

Here’s a look at the gear, tech, and media our Outside Run editors loved last month

Even as trail and ultrarunning explode, the spoils of professionalization aren’t spread equally across the sport. Athletes on this year’s U.S. 24-hour team are looking to change that

The singer, songwriter, and guitarist for the Postal Service and Death Cab for Cutie applies the same approach to ultramarathons that he does to touring: just keep moving

We review the brand’s first shoe with a heel-toe drop, the AltraFWDExperience

Running from hut to hut over multiple days among dramatic mountains with others offers a unique format to experience awe, sustained immersion in landscapes, and crazy fun 

How can something that looks so dorky perform so well? Our writer attempts to find out.

The gear shop owner is the new president of the Prezzies

Run regularly. Not too fast. Mostly trails.

Other highlights at the Pikes Peak Ascent included American Sophia Laukli being crowned the world’s top mountain runner

Santa Fe's Big Tesuque Trail Run offers a chance to run amid autumn aspen and support Wings of America’s Native youth programs 

Our tester sacrifices her teeth to find out

Swiss runner Rémi Bonnet leads a world-class field in this weekend’s Pikes Peak Ascent

These great towns are in the middle of glorious mountains with spectacular leaf-peeping, mega views, and fun things to do...and eat...and drink

In 2021, Max LeNail drowned while trail running in a San Diego park. His parents demanded a bridge. Two years later, they’re still fighting. 

How the self-described industry disruptor is teaming up with Run Alaska Trails to make space for athletes of color

July was officially the hottest month on record. We reached out to Phoenix runners to learn about how to adapt and train in sustained heat. 

U.S. runners have their best showing ever in the Ultra-Trail du Mont-Blanc

Here’s a look at the gear, tech, media, and general miscellany our Outside Run editors loved last month

How does training for one of the most challenging 100-mile races on the planet compare with others? We dug into the data for answers. 

Look around any running event and you’ll notice a sea of five-panel hats, the latest fashion trend to go viral in the endurance scene. What’s behind its popularity?

Belgian ultrarunner Karel Sabbe just shattered the fastest known time for a supported trek along the iconic pathway

After living in France for more than a year, the Hoka-sponsored ultrarunner is as fit and prepared as he’s ever been

Forget stuffy, competitive running races. Take the Bridge is an underground race series that’s all about breaking rules and doing things your own way.

The new book ‘Becoming a Sustainable Runner’ offers a science-backed playbook for being an ecologically responsible athlete and citizen

The Running Industry Diversity Coaltion’s findings emphasize a long road ahead for achieving racial equity in the running community

Watch what happened when this six-year run streaker and HOKA Global Athlete Ambassador took on an iconic ultramarathon in California's Sierra Nevada

Enhanced with a forked carbon-fiber plate, responsive midsole foam, and Vibram rubber tread, the Ultrafly is Nike’s first high-performance trail racing shoe

Sierre-Zinal, the soul of fast-paced trail running, is celebrating five decades of world-class competition this weekend in Switzerland

At these Labor Day Outdoor fests, for three sweet days, you can be outside, hike, hear live music, swim, boat, and run. Plus: there's food and beer.

Most running footwear caters to heel-strikers. These models meet the needs of runners who land on their toes.

Pacing at long distance running events is common in North America, but it can also be intimidating. Here are seven essential tips from veteran ultra athletes.

Yes, this shoe comes in other colors. No, that doesn’t mean you should buy it.

They don’t necessarily save energy, but a new study suggests they might save your legs

This viral social media movement focuses on consistency over intensity, and it might help you recommit to a running routine

The boat people volunteers who shuttle runners across the American River at mile 78 on the Western States 100 Mile Endurance Run have seen it all

Watch what happened when this six-year run streaker and HOKA Global Athlete Ambassador took on an iconic ultramarathon in California's Sierra Nevada

You can boost performance by tackling heavy blocks of training—if you avoid excess fatigue. Here’s how to walk the line.

Alpacka Raft’s featherweight Ghost is changing the game for multisport enthusiasts

These off-road-ready supershoes provide pop while adapting to tippy terrain

The Chicago-born trail runner drops the fastest time on the Nolan’s 14, one of Colorado’s most daunting routes

Aurelien Dunand Pallaz led the men’s field from early on for a win while Dauwalter battled from second place to surge for the win and course record

From silver mining to live-streaming, this legendary “wild and tough” ultramarathon in Colorado’s San Juan Mountains has a storied past. What will it mean for Hardrock to embrace trail running’s future?

Here’s a look at the gear, tech, media, and general miscellany our Outside Run editors loved last month

Coffee, candy, and joy are a few ways the world’s top ultrarunner keeps her love for running fresh

Running volume is important, but how you structure your training might matter more

Racing against the clock at high altitude takes a special set of skills.

I’ve tried dozens of hot-weather tops, shorts, glasses, and hats over the years. Here are my favorites.