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

We looked at thousands of data points on Strava to determine what winter habits make for a successful summer season

After three-plus hours on the treadmill belting out every song on the Eras tour, I can tell you why Swift’s concert training regimen works

We looked at thousands of data points from Strava to see which American marathon is more difficult

We looked at a ton of data from last year’s fall marathons to see what Boston Qualifier (BQ) runners did differently in training and racing

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

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. 

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

Whether she’s setting mountain FKTs or working to bring attention to climate change, Hillary Gerardi is a force of nature

Time for a six-month check-in! Here’s what the data says about how athletes are sticking to their goals in 2023.

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?

Strava data scientists compiled numbers from Western States 100 Mile Endurance Run finishers, from 2018 to 2022, to help us investigate patterns behind successful finish times. Here’s what they found. 

For Mental Health Awareness Month, the Olympian partnered with the New York Road Runners to share the message that when it comes to mental health, it’s about progress, not perfection

A group of women who are out to make history, and upend how we think about competition in the process

We crunched the numbers from hundreds of thousands of Strava uploads, to see how athletes running in different marathons train differently, and why the Boston field is so speedy

A near-death experience prompted this trail runner to take stock of what mattered to him—fighting for civil rights and adventures in the mountains

Here’s what organizers of the world's oldest annual marathon are doing to limit its carbon footprint, and how athletes can do the same

Women Take The Lead Retreat is creating space for women of color in the running industry to network, learn, and connect with tools to advance their careers

The fitness industry is rife with harmful messaging around food and exercise. Here’s what to know about when food behaviors are a problem.

Internationally acclaimed coach and author Brad Stulberg wants runners to love the process, seek community, laugh at themselves, and stay flexible

The climbing great runs a few times a week to improve his endurance on the crag

Say it ain’t so, Kyrsten!

How winter road running brings one writer closer to nature

As many trail-running events grow larger, more runners are gravitating toward smaller grassroots events with an intimate, personal feel

The newest national monument sits in the heart of Colorado’s ski country. Here’s what you need to know about Camp Hale–Continental Divide National Monument.

�����ԹϺ���rs Andrea Sansone and Andrew Hamilton trace their relationship back to a chance encounter on one of Colorado’s highest peaks. Now, the two are pushing each other to set speed records on the state’s famed fourteeners.

The much-anticipated launch of Kilian Jornet’s outdoor brand NNormal features two exciting new shoes. Here’s what you need to know.

Andrea Sansone spent the summer scouting Nolan’s 14 before setting the FKT

The murder of Eliza Fletcher highlights the freedoms that women runners are asked to surrender in the name of safety. Why not hold society accountable for violence?

The distance runner shaved more than two hours off the JMT’s previous fastest time

Everything you need to know about the famed races in Chamonix, France

Hawley is lucky that his awkward run didn’t end in injury, writes Zoë Rom

Starting at five hours a week, this ten-week program will help you build endurance and jump-start your training this winter

Injury forces ultra legend Scott Jurek off the trail

What is environmental justice, and why should trail runners care?

After an especially brutal winter in Colorado, Independence Pass needs a team of seven heavy-equipment operators, an avalanche forecaster, and a surveillance crew to make the road passable

Four zones have been ranked as extreme on the five-point scale

Bequi Livingston found power and confidence in physical strength. Now she's teaching other women to do the same.

Athletes share their favorite tools for staying hydrated on the move

There are more ways to mess up sun protection than just, you know, forgetting to use it

Ulyana Nadia Horodskyj is an ice scientist who's done research high on Everest—and after working with NASA, she's aiming even higher.