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With its Stolen Starts initiative, New Balance aims to empower more women, grow the sport, and make up for lost time

Oregon voters have opened the door to treating mental illness with substances like ketamine and psilocybin. In a peek at the future, our seeker attends a backwoods retreat where patients get help from a powerful combination of drugs and the outdoors.

A new study investigates how different types of physical performance are affected by the time of day

The case of 24-year-old Daniel Granberg, who died of high-altitude pulmonary edema earlier this month, highlights the danger of altitudes well below the Himalayan “death zone”

The Prime X is banned for professional athletes, but that might be its main selling point

A new study suggests that hydrogels enable you to down more carbs with less digestive distress, and race faster as a result.

After a particularly rough spring, an Outside editor invested in a Coway Mighty air purifier to help with her asthma. She’s breathing better already—and the rest of her family is, too.

A new app called NatureQuant harnesses the latest research to track and rate your time outside. Next up: determining how much you need.

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How Ryan Vanderweit and Home Base are using running and fitness to help veterans' reentry from the military.

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What happened when New Balance athlete Katie Grossman couldn't use running to cope

There are lots of ways to find your running potential. These tips may not be helpful in that process.

As the Fifth Avenue Mile celebrates its 40-year anniversary on Sunday, here’s a look at the legacy of the race

Can mindful running make you faster—or at least happier?

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These tips will help you build up to your running goals and stick to your plan.

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Trust us, it's worth the extra effort.

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How and why every runner should run a practice race ahead of the main event

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Expert strategies and intuitive tech to help you set and achieve your goals

A new study measures the physical and cognitive load of four different treading techniques. The key? Generate lift.

For New Generation Track and Field, established media companies are too stuck in their ways

Eating disorders affect people of all backgrounds, at all weights. To tackle them, we first need to reframe the way we think and talk about them.

In this excerpt from his new book ‘The Practice of Groundedness,’ our Do It Better columnist Brad Stulberg explains how ritualizing exercise benefits your brain and body

This film explores how one athlete found his way to the top of the podium

Regular exercisers drink more, a new study confirms, but are less likely to be problem drinkers

After taking a cue from ‘My Morning Routine,’ an Outside contributor discovered an extra hour in her day

Get these six items to improve your sleep and wake up ready for anything

Supersapiens’s new continuous glucose monitor promises to help athletes manage their energy levels. But can it really stave off a bonk?

It’s not exactly fun in the moment, but after, you’ll say it was the best time you ever had

A long-running gym debate about whether to train each limb separately comes to the cycling world

In order to achieve his first UTMB win, the American ultrarunning star is taking a whole new approach: rest

It is believed to be the first death in the 19-year history of the Ultra-Trail du Mont-Blanc races in and around Chamonix

The popular app promises weight loss without dieting. Then it proposes restrictive eating habits.

Endurance-science experts explain the world record holder’s incredible marathon dominance

Running nerds won’t learn anything new from ‘Kipchoge: The Last Milestone,’ but it’s still a feast for the eyes

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How a Boston-based program is using running, fitness, and holistic care to help veterans in life after service

Lyme-carrying ticks are a bigger threat than ever. A promising new antibody treatment looks to stop infection—even after a tick bite.

A new study of Western States ultrarunners illustrates the power of looking beyond simple risk factors to predict injury

The Tokyo Games reminded us why athletics remains the greatest show on earth

Scientists have been debating whether muscles contract more slowly as you age, but new data suggests the real problem is a loss of strength

A physical therapist explains why your wrists hurt, and how to rehabilitate and protect them

After years of debate on the dangers of “too much exercise,” researchers sum up the state of current knowledge

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