Trail Runner’s editor in chief, whose new book co-authored with Tina Muir, ‘Becoming a Sustainable Runner,’ is now available, believes there are many approachable steps runners can take to improve their running and the planet
The new book, ‘Becoming a Sustainable Runner,’ offers a science-backed playbook for being an ecologically-responsible athlete and citizen
A national record holder for Greece in the 10K, Pappas continues to explore her limits with a late entry into the high altitude 100 miler
A Q&A with the ultra running star on her preparation for UTMB, the changes she’s made in training, and the best piece of fitness advice she’s ever gotten
Native Women Running’s team is running the three-day TransRockies Run for ancestors, family, courage, and inspiration
More than 700 runners will toe the line for the 40th running of the Leadville 100 trail race
Although she’s only been racing on trails since 2021, Laukli has quickly become one of the world’s best mountain runners
How late-blooming ultrarunner Becky Bates excels at mountain races in her 60s
Sierre-Zinal, the soul of fast-paced trail running, is celebrating five decades of world-class competition this weekend in Switzerland
As the sport of running grows, so do many of its cottage industries. Coaching has quickly become an industry that many are tapping into as more people enter the sport, but experiences may vary.
Will Peterson overcame downpours, flooding, and his own hectic schedule to smash the unsupported FKT on America’s oldest thru-hike
The Running Industry Diversity Coaltion’s study emphasizes the long road ahead for achieving racial equity in trail and ultrarunning
How one trail runner makes swimming pools and alpine lakes the destination, while the whole journey is the reward
Erin Ton dashed to the summit of 57 of the Colorado’s 14,000 peaks in a little more than two weeks, but skipping Culebra Peak has caused a firestorm of backlash
In January, Runners for Public Lands launched a new program to help runners from underrepresented backgrounds thrive in the trail community. Here are the first athletes.
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.
What started as a team self-supported effort with Liz Derstine, ended as a supported FKT
The 26-year-old died after a long fall while soloing Blitzen Ridge (5.4) in Rocky Mountain National Park.
OK, there are no secrets, but she combines hard work with a fun vibe and doing whatever works for her.
On the second day of his first ultramarathon, the runner withdrew just a few miles from the finish line. But that didn’t stop him from completing the race.
Finding adventure in the mundane is as easy as lacing up your shoes.
Interesting mid-run offshoots and alternatives can mix up the monotony of serious training
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
Whether you want to try for an FKT or take a more leisurely outing, here are a few adventure runs to put on your list
Whether she’s setting mountain FKTs or working to bring attention to climate change, Hillary Gerardi is a force of nature
The historic ultramarathon in Vermont was canceled due to historic floods and a state of emergency. This didn’t stop race organizers and runners from helping out those in need.
Follow Black Diamond athlete, Kyle Richardson, in Rio de Janeiro while he explores styles of Brazilian drumming and trail running
Feeling out of shape? Maybe you should run up and down a mountain three times.
Focus on your own training and performance as you immerse in the local community and the unique challenges of the natural environment
The art of embracing small, everyday adventures.
David Hedges sets new FKT (Fastest Known Time) on the Nolan's 14 route in Colorado.
Ultrarunning helped this athlete prepare for the rigors of a space mission.
After a very snowy winter, race officials and volunteers put in huge efforts to make sure the course was safe enough to be run this year
The quest for a sub-four day Long Trail continues, but Kelly sets the supported FKT in some of the rainiest conditions imaginable
Age slows everyone down eventually, but that’s no reason to quit trail running.
A small subset of Hardrock Hundred runners stretch to complete a superhuman series.
At the end of my mother’s struggle with Alzheimer’s disease, I realized I needed to handle my sorrow the same way I approached athletic training.
Running volume is important, but how you structure your training might matter more
For Indigenous cultures, running represents a spiritual connection to the natural world.
After finishing Western States, the 62-year old ultrarunning legend has her sights set on Badwater and Hardrock
His meticulous, data-focused preparation and race-day approach served him well
This year, 62 runners finished in the final hour before the cutoff.
Four unconventional ways to manage chafing on your next run—and effective alternatives
Tom Evans wins the overall title in a historic day of running
After a 6th place finish as top American in 2022, Yingling talks balance, stress, and wanting to put herself in the mix at this year’s Western States Endurance Run.
After dropping out due to injuries in two previous years, Montgomery is really, really, really ready to tack a crack at the legendary 100-mile race.
This ultrarunner is partnering with Rising Hearts and GU Energy Labs to bring her self belief to ultrarunning’s biggest stage: the Western States Endurance Run.
This 75-year-old Philadelpiha runner hopes to become race’s oldest finisher.
Guiding athletes, teaching life lessons, and sharing running thoughts with a metronome of consistency.
In an excerpt from her forthcoming book, ‘Up to Speed: The Groundbreaking Science of Women Athletes,’ longtime Outside contributor Christine Yu argues that female athletes deserve their own benchmarks for athletic success.
From foraging wild asparagus to scouting for the perfect shot, these runners are proving there’s no wrong way to run
The former Navy SEAL faced deep snow, gusting winds, and sheer ice on North America’s highest peak. But he still smashed the previous records set by Karl Egloff and Killian Jornet.
After recovering from a broken foot, she’s back ready to chase another top-10 finish.
One of the world’s leading kung fu masters has trained the Wu-Tang Clan, Björk, and Wesley Snipes. Running is central to his training. Here’s why.
Led by Murphy’s gold and bronze medals, Team USA notched 10 top-10 finishes at World Mountain and Trail Running Championships.
One writer on why she might innately crave adventure.
Farvard is one of 17 athletes selected for The North Face’s Athlete Development Program. His mountain objectives, including this month’s Western States 100, have never been more ambitious.
For the second time in eight months, the Vermont-based runner took seventh at the World Mountain and Trail Running Championships long trail race, locking down another Team USA podium finish.
Snow will likely impact finishing times at both races. Here's the latest update on conditions in the Sierras.
Racing in last year's Western States 100 Mile Endurance Run changed my life and made me fall even deeper in love with running.
What storytelling around running can tell us about where the sport is headed
Joe Gray finishes fifth in the men’s race; Kenya wins both team titles
Here are five ways to celebrate Global Running Day, even if you never knew it existed
Here are the most important things to know before catching a flight for your next trail running adventure
Whether you’re experiencing a menstrual cycle or need to go number one or two, here are the current sustainability guidelines and etiquette for ‘business’ on the trail.
After a five year hiatus, thru-hiking legend Heather “Anish” Anderson just set another FKT, the 250-mile section of the Appalachian Trail that runs through Pennsylvania. In this essay, she explores how her relationship with the sport has evolved over the past decade since her ground-breaking Pacific Crest Trail record in 2013.
2021 Outsider of the Year Steph Catudal’s new memoir, ‘Everything All at Once,’ offers a raw look inside the paradoxical landscape of grief and surrender, love and loss of her father, and nearly her husband, endurance athlete Tommy Rivs
Loaded American team heading to June 7-10 World Mountain and Trail Running Championships
The ultra runner and endurance skier is open to whatever the mountain gives her—she wants to experience a new adventure and inspire other women to do the same
The sportswear brand is backing scientific studies to understand women’s sports performance
The legendary trail runner and mountaineer was trying to climb the world’s highest mountain from the West Ridge
Race director Megan DeHaan partners ultrarunning and agriculture to celebrate and protect open space
Hello Grindstone! With an East Coast race on the docket for 2024's Golden Ticket races, and CCC replacing UTMB, how will this change reshape the startline at the U.S’s most competitive 100-miler?
Outdoor time with your partner is more than just fun—it can be the key to a superstrong bond.
As multiuse trails get more crowded, we can all do our part to avoid conflict.
Doug Mayer tells interesting stories behind the rise and growth of UTMB
Jennifer Licther, Mike Foote set out to creating visual and emotional connections to fight climate change, and photograph every remaining glacier in Glacier National Park.
Welcome to the world of the Cowgill Trail Collective
Social media influencers have started a trend of posting videos of them running long distances without training. Here’s why the science says it’s probably not a great idea.