The latest deaths raised questions about the role of COVID, but analyses of nearly a century’s worth of climbing records suggest some consistent patterns

The humble plank is the single most effective training exercise for your core musculature

A new study looks for adaptations in the placenta, and finds positive effects from exercise during pregnancy

Researchers are searching for telltale clues in your strength, flexibility, or body position that signal an impending injury. It’s harder than you think.

Expert tips for keeping your dog healthy, happy, and keen for any type of outdoor activity

A new analysis digs into who overheats and which conditions are most risky, with surprising results

Setting high goals is great, but how you deal with falling short determines how long you’re willing to keep chasing them

What separates the best endurance athletes from everyone else isn’t their amazing lab test data or power values—it’s how well they maintain those values after a few hours of exhausting exercise

It’s easy—maybe a bit too easy—to believe that poor sleep leaves you more vulnerable to injury. But researchers aren’t so sure after all.

The newly revamped TrainerRoad cycling app uses an advanced algorithm to create training programs custom-tailored to the user. Our writer gave it a go.

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

Running alone against the clock is very different from trying to beat other runners, but untangling how our minds process the challenge is “like knitting with spaghetti”

A new review assesses what it takes to maintain endurance and strength when circumstances interfere with your usual training

Staying in hiking shape during the off-season is a serious challenge, but it’s not impossible

Changing hormone levels affect your tendons, ligaments, and muscles, and evidence is mounting that this can influence your chances of injury

Allen is a specialist when it comes to charging hard on rough trail. The new VECTIV shoe line is helping get her where she needs to go, fast.

Round out your training routine with exercises to help build explosive strength

Mental fatigue has become a hot topic for sports science researchers, but its effects remain controversial

Three full-body movement progressions on the parallettes that you can do at home

At the 2019 World Championships, researchers gave marathoners and racewalkers swallowable thermometer pills and used thermal cameras to assess the effectiveness of hydration and cooling techniques in the heat of competition

Is it possible to stay in shape at home without spending a fortune? Wes Siler details his gym setup.

Detailed power data from sprinter Marcel Kittel and climber Tom Dumoulin highlight the contrasting physiological demands faced by different riders

A new study explores how inner monologue varies between sports, situations, and experience levels

Tallying which articles are most frequently cited in later studies reveals the biggest trends in sports science—and some oversights

Unlike heat training, repeated exposure to cold doesn't necessarily help you handle winter weather better

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

Winning races when you’re young may seem like a good predictor of future success, but it’s not perfect

Demystifying one of the most important yet often misunderstood fitness qualities

If even pacing is so great, why do the best runners in the world always seem to have another gear at the end?

Two new studies find performance benefits from high levels of the sunshine vitamin, but they're not the final word

A new study tries—and fails—to predict athletic greatness with a DNA test. Thank goodness.

Correctly timing all the elements of your taper can give you an extra edge on race day

Pronation is out of favor, comfort is too vague, but maybe measuring your "habitual motion path" will guide you to a shoe that minimizes your injury risk

Top trail runners mix running and walking on steep terrain, but even scientists aren't sure how we choose which is better

A creative, challenging at-home circuit to get you fit, no matter your sport

A leading company redefines what it's actually measuring, and explains why that's what we really wanted all along

Check out these titles for fans of science, endurance, fitness, and adventure

The company's library of studio exercise classes, integrated with on-screen fitness data from your Apple Watch, launches today. Our Sweat Science columnist takes it for a spin.

A new study explores the links between exercise and pain perception, and how easily they can be manipulated

A new generation of futuristic at-home workout solutions—including Mirror, Tonal, and Peloton—were gaining steam even before the pandemic

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

After half a century of confusion, researchers have a new perspective on the transition from "aerobic" to "anaerobic" exercise

When you stop breathing, oxygen flowing to your brain actually increases—at least for a while

Avoid these mistakes and master the complex full-body movement

Embracing recovery will make you a better athlete. Your body is asking you to work in. It’s time to listen and respond.

A basic principle of training says you get better at the things you do most. So why does cross-training work?

Five gentle weighted moves to help you progress over time

A pro marathoner looking for a sponsor takes a scientific approach to finding the right match

The mental and physical benefits make it worth the extra effort

To pick their two-hour marathon team, researchers tested some of the greatest runners on the planet. Now they're revealing what they found.

Bust your gut like the gold-medal-winning cross-country skier

You don’t need an elaborate workout plan to get the most out of your resistance workout; you just need to tune into how you feel

A new review sifts through the evidence for and against hiking with poles

A new study suggests that slow-twitch runners can handle higher mileage than fast-twitch runners before showing signs of overtraining

Proven tips from top athletes on how to nail the perfect morning adventure

Follow these tips to avoid excessive burping, gurgling, and nausea

Biology suggests that decades of running should invariably blow out your knees. Scientists are trying to understand why that doesn’t happen.

Even compared to athletes from other sports, endurance athletes have a unique relationship with discomfort

This expert advice will help you get out of a rut and take your skills to a new level

You're never too old—or too good—to brush up on your technique

A new study asked coaches to rank the most economical runners after watching video footage. It didn't go well.

This three-move bodyweight routine is all you need to improve athletic ability

Experienced runners tend to match their breath and stride patterns, but trying to do it deliberately may backfire

Five simple strategies to stay motivated as the seasons change

How the practice continues to comfort the former big-wall climber after a life-changing spinal injury

The disruptions of 2020 mean that there’s an unusually large crop of endurance-related books hitting shelves this fall

A new analysis casts doubt on the idea that people are born as "responders" or "non-responders" for training in thin air

A handful of apps are rebranding the menstrual cycle as a female athlete's untapped superpower. Here's what you need to know about them.

A new study suggests that strength training is more important than electrolytes for preventing cramps

It’s the one training metric virtually all runners track, but running scientists think we can do better

We’ve partnered with WHOOP and Tracksmith to create a first-of-its-kind running recovery program—and we want you to join.

With a little help from technology, Joshua Cheptegei took down the 5,000-meter world record in Monaco last week

After a controversial Australian study's negative findings about low-carb, high-fat diets, scientists made adjustments and ran the study again

Keep your fingers, shoulders, and back happy with these nine strength and mobility moves

After an exhaustive search of the literature, researchers conclude that, well, it's complicated

When the going gets tough, which sensation actually slows you down?

The ability to sustain a high rate of energy burn for a prolonged period of time may help ward off cancer

The hotter it is, the closer we come to the ever elusive goal of besting the horse—which supports the evolutionary "born to run" hypothesis

Use tempo and isometrics to improve your bodyweight routine