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Get the most out of gym days and training runs

Get the most out of gym days and training runs

Your next event can tell us a lot about the warming planet

A new study explores attitudes toward performance-enhancing drugs in the ultrarunning world

Author Caroline Paul talks to Tim Ferriss about what she learned battling blazes—and how those lessons enabled a life of adventure.

She won Olympic gold in a sport that chose her. Can she do the same in the one she truly loves?

The man who raised the possibility of the feat back in 1991 takes another look into the crystal ball

Perform your best with these top picks

With climbing making its debut in the 2020 Olympics in Tokyo, Adam Ondra is training for his first gold medal.

Screaming quads don’t stand a chance

A stunning world record of 2:01:39 resets our understanding of what it means to run 26.2 miles.

New research zeroes in on an unlikely culprit for why running gets less efficient as you fatigue.

Here's the secret to a long life: keep moving

The optimal number of sets in the weight room depends on whether you want to get big or strong

You wear them all day every day. They should be comfortable.

On the harder-to-measure benefits of age and experience

Lower back pain can be persistent and difficult to fix. These yoga poses can help.

See and be seen on evening runs, rides, and hikes

Elite athletes are turning up the thermostat in pursuit of an edge

Mentors: Hillary Allen, from the North Face, chronicles her recovery and how she’s found a new pace within the activity that she loves.

Paralympic athlete and corporate executive Patricia Walsh shares her story as part of the Garmin Women of �����ԹϺ��� campaign. 

Like any good piece of gear, you shouldn't have to think about your first-aid kit until you need it

Struggles with anxiety and depression can affect anyone—even the greatest performers in sports

As a Paralympic athlete and corporate executive, Walsh has been wildly successful. But her real goal is both more fundamental and more challenging: to change the perception of people with disabilities

Exactly how much power can a human produce? Scientists want to know.

The world’s best-known climber describes his approach to scaling iconic rock faces without a rope

Four years of race data from a professional cycling team unveils some differences between the sexes

Using machine learning to recognize who’s a serious competitive runner and who’s not could teach us something useful about avoiding injuries

New research finds that those who can identify and regulate their emotions keep pushing when the going gets tough

Athletes share their favorite tools for staying hydrated on the move

Don't let the long days and warm temps lull you into complacency

An in-depth biomechanical analysis of nearly everyone at the world track championships yields unexpected results

Rarely will you find a fitness tip that is equally applicable to all areas of your life

‘In Constant Motion’ follows ultrarunner, Adam Campbell, as he returns to trail running after a life-threatening fall.

The first Golden Globe Race, a solo, nonstop, around-the-world sailing event held in 1968, was a mixture of triumph, tragedy, and madness—all chronicled in a classic bestselling book and recent BBC movie. Fifty years later, 17 sailors are once again setting out for the most ambitious—and loneliest—regatta on the planet.

Protect your eyes on trails, roads, and crags with these pro recommendations

It's not just running. Two new studies confirm that weightlifting provides a similar boost to mental health.

Don't fall in the trap of more is better

While recovering from a terrible accident, the ultrarunner discovered a new part of her identity that went beyond her sport

Conventional wisdom says that drafting doesn’t matter when cycling up steep hills. It’s wrong.

Rule #3 when it comes to training for exertion in high places? Adjust your expectations.

Build a better butt to carry you through any activity

It feels good, but does it boost performance? Only randomized controlled trials can tell us.

New research compares men’s and women’s pacing patterns, and finds some telling differences

You don't have to lift less as you get older—you just have to make a few adjustments to your training

Summiting the world's tallest peak puts humans through some of the most extreme conditions on the planet

Researchers explore the psychology of running injuries

After all, you shouldn't have to pay $20 for a class every time you want to get your stretch on

Legendary gymnastics coach Christopher Sommer tells Tim Ferriss why all athletes benefit from a smarter approach to strength training

Or at least that's the thinking among the elite athletes who are adopting treatments that were once considered fringe. A former EMT turned acupuncturist weighs in on the movement.

Follow these pros' lead and turn your phone into a fitness tool

'Play On,' a new book from journalist Jeff Bercovici, explores how aging elite athletes stay at the top of their game

Turns out, even if you don't play basketball, you can learn a lot from the sport and its athletes

The do-it-all staples—from $11 to $515—that these multisport pro athletes can't do without

Make gym time more than tolerable

Make gym time more than tolerable

Bonking is never an option

Details matter when it comes to keeping workouts fresh

The tennis superstar describes her favorite exercises and how she keeps a level head in tough moments, on and off the court.

We asked a writer to spend one month going as hard as he wanted to—or didn't want to. Here's what he found.

The post-exercise recovery trend has produced mountains of new research. But can you trust the results?

Products based on the age-old concept of vibration therapy are cropping up everywhere, and athletes are some of their biggest advocates

Thanks to smartphones and watches, athletes can track more data than ever. But is HRV all that really matters?

Turn your hands into powerful tools

It used to be that we all slowed down with time. Not anymore.

A long-standing debate on how to optimize your endurance efficiency gets a new infusion of data

The less you worry about making mistakes, the better you’ll perform

If you pick the right class, it's an invaluable tool for building strength, flexibility, and resilience

Two-person teams trade in their cell phones for traditional navigation tools and attempt to travel over 1,200 miles through the desert.

The anti-inflammatory is extracted from the marijuana plant. Is this bud for you?

On Saturday, March 17 Mike Foote set out to push the boundaries of ski touring to the next level.

A new study explores why we're stronger and faster when someone is watching

We’re a competitive bunch. Here’s how we stay fit enough to keep up.

I'm approaching 30 and haven't competed in years, but that pre-race dread is much bigger than running

Pain psychologists explore the differences between those who finish ultra-endurance races and those who don't

The vests, bags, belts, and more that top athletes use to stay primed while they push

For serious performance gains, focus below your ankles

Sometimes, when it comes to making progress it's the smartest choice you can make.

An analysis of five decades of world records reveals a surprising shift in pacing approach

To get the most from your performance, you have to accept the unpleasant—and keep pushing