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When you confront your mortality on a regular basis, the shift in perspective can be profound

Aging doesn’t mean you have to stop getting stronger. Here we’ve provided training tips for continued improvement.

Doesn’t your dog deserve the best?

Work your balance and core strength with these functional exercises

When you start a new sport, everything will be hard, perplexing, and intimidating. But your brain will be on fire.

Our writer, a lifelong surfer, tries to find out

A spiral of injuries—and the attendant existential crisis—can be an opportunity to revisit the fundamentals

Maintaining the ability to hit top gear after your twenties is useful even for endurance athletes, and takes specific training

Four areas the ultrarunning champion is focused on as she moves further into the master ranks, plus expert advice on how to build your longevity in the sport.

Outside’s ethics guru on whether we should prioritize uphill or downhill traffic in the backcountry

A new study plots the progression of thousands of people following an ultra-minimalist training plan. The results are impressive—at least initially.

A former elite competitor who keeps reviving his running — even at 81 with two artificial knees — provides guidelines for goals when returning from setbacks.

Much more than fertility changes when menopause hits. Here's how to train through it.

If you train slower as you age, you are likely to lose performance at a greater rate per decade than if you train fast.

7 must-haves to keep your skin happy wherever you're headed

To mark the start of his sixties, Will Turner swam, biked, and ran 14,765 miles, many of which took place through iconic national parks and public lands. Here are the most stunning photos from his "races."

Jack English is the proud owner of an off-grid cabin nestled in California

In a few years, performance e-bikes will be common on tarmac

Artist Eric Bealer was living the remote, rugged good life in coastal Alaska with his wife, Pam, an MS sufferer, when they made a dramatic decision: to exit this world together, leaving behind precise instructions for whoever entered their cabin first. Eva Holland investigates the mysteries and meaning of an adventurous couple who charted their own way out.

Why a lifelong outdoor adventurer couldn't resist the siren song of fairways and greens

As Abdi Abdirahman aimed to make his 5th Olympic Team, the 43-year-old talked about friends, aging, career perspective and his training in Ethiopia.

Patricia Baker established multiple track-cycling records in her age group after taking a 20-year break from racing

The "sunk cost" effect, a false sense of confidence, and fading backcountry skills may all explain why

The controversial author and personal trainer shares his lessons from the outer limits of self-experimentation

Marathoners who have run sub-3 for 5 decades reflect the high end of human fitness and health, achieved through consistent, lifelong exercise.

Some of our favorite nonfiction authors dropped new books that explore everything from climate disaster to unusual acts of endurance

Swenson just summited one of the last unclimbed peaks in the world

She's the first person to summit all 846 thirteeners in the lower 48 and Hawaii

Biotech company Elysium Health just released an at-home DNA test that—supposedly—will tell you how well (or poorly) you're aging

In his new book, 'Lifespan,' celebrated scientist David Sinclair lays out exactly why we age—and why he thinks we don't have to

The world's most successful freeskier and Warren Miller film star says big-mountain fitness starts at home

John Olson has been on the water for nine decades—and he's still working

For his 50th birthday, photographer Jeff Johnson wanted to run 50 kilometers and climb 50 pitches in Yosemite

She's one of the most successful cyclists in U.S. history. And she's done it her way.

She's the first person to finish the Leadville Race Series and the Grand Slam of Ultrarunning in a single season

The cliff diver competes against athletes half his age

Kids need more outdoor playtime, and one national nonprofit is helping provide families with just that

Kayaker Eric Jackson is still developing new tricks—and beating his kids in competitions

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