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Waking up at 3:30 A.M., balancing work, and logging hundreds of miles in the Colorado mountains gave me more than endurance—it gave me perspective

How long your walks are—not step count—may influence your long-term health, according to a new study

Soothe your aching spine with these four physical therapist-approved moves

Endocrinologists, nutritionists, and personal trainers explain why it's important to stick to your workout routine when taking a GLP-1—and how to maintain your gains

VO₂ max can drop 7 percent in just 12 days—but muscle strength holds on longer

My mom bought me Keen's Targhee III boots to convince me to climb a mountain with her. Here's why I love them and don't hate hiking anymore.

A new study shows how targeted resistance exercise may preserve physical performance—especially in older people with declining nerve function

You’ll sweat, cramp, gasp for air—maybe even hit the dreaded wall. Here’s just how far your body will go to get you across that finish line.

Two astrologer-trainers reveal how your sign shapes your workout style and recovery quirks

Research published this month identified five sleeping patterns based on participants's self-reported assessment of their sleep. �����ԹϺ��� chats with the lead researcher and a sleep doctor to parse out what the study's results mean for your overall health and performance.

Turns out there’s a science to good cheering, and most of us have been doing it wrong

Choosing the right time to stretch can make a huge difference in your flexibility gains and range of motion

Some of these moves might feel intense. So, if you need some cushioning, keep a few pillows nearby.

Also included: a 15-minute warm-up and a 10-minute cool-down

As Japanese Walking takes off online, it’s worth asking: Why did 10,000 steps become the global standard for health? Was it ever based on science? Not exactly—and here’s the step count we should actually be aiming for.

Ease shoulder and neck muscle tension fast with these moves

Touring dancers aren’t just artists—they’re high-performance athletes. With the release Taylor Swift’s 'The Life of a Showgirl,' we chatted with real-life showgirl and Lady Gaga's former backup dancer Sloan-Taylor Rabinor to get a behind-the-curtains look at the training, discipline, and endurance it takes to thrive under the spotlight night after night.

Minimal effort, maximum relief

Plus, advice for breaking up with your running buddy

Your workout vibe may be wired in your brain

The best part? You probably already have this product in your bathroom cabinet.

All you need is a six-inch plyo box to get started

You can do these moves before or after your workout

It was messy and chaotic, but it reminded me how resilient I really am

Three expert running coaches swear by these creative and fun ways to mix up your training

An expedition that summited Everest in less than a week sparked interest—and skepticism—about the benefits of the gas

This matters even if you're naturally an early riser

Discomfort in this area can affect gait, hip function, and mobility

By week three, my right knee filed a formal complaint

New research around muscle elasticity offers some surprising insights for marathon runners—and could explain how "super shoes" actually work

No fancy equipment is needed—just your finger, your Notes app, and 60 seconds a day

All you need is a doorway, a chair, and a stretching strap

The program Synrgy Cycling matched me with a coach who understands women’s health and how different phases of the menstrual cycle may impact performance

Preliminary findings suggest marathoners and ultramarathoners may have a higher risk of abnormal colonoscopy findings, but previous studies paint a different picture

Knowing your foot shape, arch, the way you walk, and even your toe shape makes it easier to find comfortable, supportive shoes that fit

It looks weird, but it works

Top cyclists on the women’s World Tour do better when they rack up more easy training, a new analysis finds

Whoever told you to squeeze your core all the time...was wrong

The good news? You can limit some of that damage by strengthening the muscles that keep you upright.

This week, President Trump announced that he's bringing back the Presidential Fitness Test to gym classes across the nation. Here's what the '�����ԹϺ���' edition would include.

These moves are yoga instructor-approved and help release tension in the muscles surrounding the spine, glutes, and hips

Now that the fastest marathoner in history, Ruth Chepngetich, has been caught, is it time give up and let athletes dope?

Scientists explore what’s happening in our brains during prolonged efforts

Even a light weight can give you results

You've probably been overdoing it

"Never outrun your joy of running.” —Julie Isphording. How to train and fuel well as a runner.

A weighted vest is an easy way to add some extra resistance to your strength training routine. Try these five weighted vest exercises.

Thinking of taking the 13.1-mile plunge but not sure where to start? This half marathon plan will carry you from the sofa to the start line—and across the finish, too.

Patterns emerge in a database of more than 100 trail-running fatalities

Training plans for those who have never run before to runners looking to improve their performances

What we learned about the power of the mind, drafting, pacing, and more

One of these moves requires a bath towel

At Nike’s Breaking4 event in Paris, the Kenyan star clocked the fastest ever mile by a woman. Here's how she did it—and why the 4-minute mark remains elusive.

Our Sweat Science columnist is on the ground in Paris for Nike’s Breaking4 race on Thursday

I’ve spent the past four years twirling, shaking, and rolling around on the floor with strangers and it’s given me more answers than I can count

Repeated twisting of the uppermost part of your spine can lead to laxity and instability; sports doctors recommend safer options

Six years ago, Nike orchestrated the world’s first sub-two-hour marathon. Now, the brand—and Faith Kipyegon—are going after the women’s mile with a high-tech suite of shoes, apparel, and race-day strategies.

Spine doctors say hiking can be a surprisingly good source of back pain relief—but the way you hike matters.

Your watch or wearable isn't actually the most accurate way to determine how hard your last workout was. This completely analog method is.

Chilling on your belly is very, very good for your spinal alignment.

A new approach to endurance training involves inhaling carbon monoxide—and is reviving old debates about dying to win

These yoga poses can help you conquer your next mountain with more mobility—and less pain.

These moves will prep your lower body and help you avoid injury

According to new research, keeping two repetitions in reserve is almost as good as maxing out every set of your strength routine.

Physical therapist-approved moves to warm up your arm, back, and chest muscles

Lactic acid has long been vilified, but new research shows that it doesn't impair muscle function. In fact, it might actually be good for you.

A new study shows the once-popular marathon supplement could offer significant endurance gains.

The Fast-R Nitro Elite 3 claims to offer the biggest improvements in running economy since the Nike Vaporfly took the world by storm eight years ago.

Placing purposeful pressure on yourself can challenge your mind and body in a good way

The best part? You can do these in the comfort of your bedroom.

You have big training goals. Here’s how to maintain the motivation to match.

The key to flexibility, mobility, and comfort is as effective as it is affordable

Chronic inflammation increases as you age, but serious training can help you avoid it.

For days when a gym session is off the table, a collection of at-home strength training gear can give you a full-body workout with zero wait time

New data explores the complex links between your apps, mental fatigue, and athletic performance.

An ACE-certified trainer shares exercises to keep your muscles moving on the days you're not doing (or don't feel like doing) a high-intensity workout

The aches in your back, hips, and knees could be signs to work on your abs

How elite running team the Brooks Beasts fuels up for spring training

The risks of training while depleted are finally getting lots of attention—maybe too much