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It's time to take the Marie Kondo approach to your time

Trying really hard works—and then it gets in your way

Keep it simple. Consistency is key. Get out of your own way.

There's a fine line between dialing back exercise during the holidays and losing your fitness altogether

There's a lot to learn about the good life from sommeliers and hot-air-balloon pilots

It's never a bad time to re-evaluate your digital addiction

The government just released new fitness guidelines, which we boiled down to a single, simple mantra

Success in sports or at work is almost never about a single monumental shift

What if striving to be great is what's holding you back?

These baby carriers will keep the whole family happy in nature

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

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

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

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

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

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

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

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

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

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

Our columnist literally wrote the book on peak performance, but he had to reconsider everything after an unexpected battle with mental illness

Eight life lessons from one of America's best marathoners

It may be the key to happiness and sustainable performance

New research finds that performance varies drastically based on the time of day

As ultra-endurance athlete and self-improvement guru Rich Roll says, "Mood follows action." In other words: Don't think. Do.

The most important rules to grow your body and mind

Science is a slow-moving process. Don't fixate on bright-shiny objects at the expense of a few fundamental truths.

Follow the lead of elite athletes and use the science of motivation to perform at your best

Whether you're trying to qualify for Boston or just see improvement, these principles will get you there

Ignore the urge to post a heroic effort and focus instead on the daily grind of steady improvement

It's tough to maintain performance and well-being all the time. When the going gets tough, following these tips can help.

Nine life lessons from the ultra-endurance athlete and self-improvement guru

Five exercises that will guarantee you have the strength to adventure all weekend, well into your eighties

Sure, it's fun and relaxing—but it can also be a key part of a fitness routine

There's a lot of overlap between athletics and work, and the world's best apply the same principles to, say, training for a marathon as they do to building a business

Cycling, running, and obstacle course racing are dominated by white-collar workers. And while disposable income makes competing more feasible, researchers are also starting to discover a psychological pull that draws these people to masochistic events.

In today's quick-fix culture, it's more important than ever to remember that a few simple lifestyle changes can transform your overall health

The best endurance athletes push their minds and bodies as far as humanly possible—a practice that might not actually be good for them

The hardest part about your athletic pursuits may be building a long-term relationship with them

The best performers in the world share a few key habits, and a new book helps you implement them

Every world-class performer—from athletes to chess players to musicians—follows these rules to keep improving at their disciplines

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