New data suggests that the most efficient uphill slope is steeper than you think
Whatever kind of strength training you practice, these stretches can help prevent aches and pains
Mick Jagger is in incredible shape—for a person of any age. How does he do it? I followed his training plan to find out.
Here’s how Peloton instructor Matt Wilpers suggests structuring your indoor bike training
Understanding when and why men outperform women, and under what circumstances that can change, is suddenly a fraught topic.
Whether you’re a skier or not, some of the most common aches and pains can be traced back to hip weakness and instability
Follow these expert parenting tips to share powerful experiences with your children, build a foundation for lifelong adventures, and foster a love of nature
When John Orth, a violin maker from Colorado, set out to break his own world record for the most pull-ups in 24 hours, he had no idea he was competing against a college kid from Virginia
A new study found that people who cram all their exercise into a couple of days a week—so-called weekend warriors—reap similar health benefits as people who work out throughout the week
Winter can be a tough time for athletes. Motivation an issue? Or can’t do your favorite workout? No problem. This comprehensive guide will help you stay fit all winter long.
New data from 2.5 million marathon finishers finds that subtle changes in air quality can affect your race time
Ben Patrick is better known as the Knees Over Toes guy: a viral internet personality who believes that the oldest rule in the weight-training book is dead wrong. Our writer tried his protocol to see if it could solve his chronic pain.
New data shows that the biggest difference between elite and middling runners is how much time they spend jogging
Everyone knows taking time off is good for you—in theory. Maybe these new results will convince you to actually do it.
It’s time to throw your training plan out the window. Welcome to the new rules of fitness and nutrition.
Getting yourself a new pair every so often can help you perform at your best and avoid injury
Simplify your fitness routine as you travel for the holidays with this customizable full-body workout
Keeping your muscles cool will supercharge the benefits of aerobic training, new findings suggest
By triggering a diving reflex, athletes who perform breath-holds can increase red blood cells—and, possibly, endurance
The key to stretching properly is knowing when to do static or dynamic stretching
22 months. 5 continents. 149 performances. And 6 ultras. As the Eras Tour finally wraps, here it is by the numbers.
Scientists crunched the numbers to come up with the single best predictor of how long you’ll live—and arrived at a surprisingly low-tech answer
A veterinarian by day and ultrarunner by night, Paris became the first woman to complete the notoriously hard race this year
A selection of (mostly) new titles for fans of science, endurance, fitness, and adventure
After years of rumors, new data suggests that real-time lactate sensors are finally ready to hit the market. But will athletes know what to do with them?
'Gladiator II' hits theaters on November 22. Here's what we know about how real gladiators ate and exercised.
Your calf muscles are most likely a little weak and really tight. Here are our favorite stretches and exercises to take care of them.
Whether you’re hiking over rough terrain or going for a walk around the block, rucking is an easy way to add in resistance training
Outshine Santa this year without breaking the bank
Do You Have More Slow-Twitch or Fast-Twitch Muscle Fiber? The Answer Could Change the Way You Train.
More evidence emerges that muscle-fiber type matters—if you can figure out which type you have
Scientists recently examined the physiology of the increasingly popular open-ended race format—running 4.167 miles every hour—pioneered by Gary Cantrell.
Just because you can doesn’t mean you should
We lose power more quickly than strength as we get older. Researchers are trying to understand why—and how to fight back.
Strengthen your core for improved balance and stability on your next run, hike, or climb
Critics say the first sub-2:10 marathon was impossible—and fueled by doping. Our columnist examines the science as he tries to make sense of the backlash.
Research on athletes who are experienced meditators finds better “response inhibition” and superior endurance
The latest wearables have gotten much more accurate at logging our Zzzs. Too bad researchers haven’t figured out how we should use the data.
A new study tests the performance claims of Omius’ unique looking headband worn by Olympic legends Sifan Hassan and Eliud Kipchoge.
I cried after my doctor told me I needed to stop running, but listening to that advice saved my spine
Researchers were once convinced that some people have a bigger training response than others—but the data says otherwise
Speaking publicly about depression or anxiety can be healing for athletes, but not everyone wants to become a spokesperson for mental health
Running uphill is a beast. Improving your form in these ways can make getting up a steep incline feel like less of a battle.
According to experts, your body’s natural reaction to an intense workout could be interfering with your watch data
It’s the first time an American or a Chinese runner has won the prestigious 57K trail race that serves as a de facto global trail-running championship
After a year that included a maelstrom of controversy, the world’s most prominent ultra-trail running event has righted its path
A Swedish company’s baking soda formula was the hottest supplement at the Olympics. And now a new study finds that it really works.
33,000 feet of elevation gain in the French Alps, an average time of 40 hours on course, and the pressure of this sought-after race make it one of the most challenging. Did we mention the charcuterie?
The most-anticipated annual event of the trail running universe takes place from August 26 to September 1
Researchers in New Zealand used athlete data to pick up patterns in how we recover. Their insights are surprising.
If you feel like your athletic performance is falling short, this new research might explain why
The longevity influencer, doctor, and bestselling author wants to change the way we take care of ourselves. Does it work?
Since the beginning of women’s sports, a question has loomed: who qualifies as female?
New technology is distorting track records. Ethiopian running legend Kenenisa Bekele makes the case that his world records are superior to the current ones.
Tired of sports injuries? Try animal flow—a form of quadrupedal movement training (QMT)—before and after your run, bike, or climb.
Everyone knows how to run. Now biomechanical analysis may teach us how to do it better.
Military scientists have developed an equation for how many calories it takes to haul weight in different ways
A new study suggests men and women should address age-related declines in aerobic capacity quite differently
TikTokers are beseeching us to get off the treadmill and into the weight room. They might have a point.
A selection of (mostly) new titles for fans of science, endurance, fitness, and adventure
Many athletes believe that the more time they spend in the gym, the fitter and more competitive they’ll be, but that's usually not the case.
“Predictive processing” offers novel ways to think about sports psychology, the limits of endurance, and the urge to explore.
Our Sweat Science columnist tries out the heat adaptation protocol used by Oregon runners, and survives (barely) to tell the tale.
A trove of ethnographic data reveals that persistence hunting—early humans relying on superior traits to chase down prey—was a worldwide phenomenon
Wunderkind Jakob Ingebrigsten may have lost (again) on Saturday at the Prefontaine Classic, but don’t expect his unorthodox training approach to disappear
Hard training and good genetics give elite runners an edge, but the four-minute barrier may have its own magic
Scientists are finding that the subjective perception of time during exercise is more complex than expected.
Having a high VO2 max is great, but research is showing that the key to elite performance is maximizing something called fatigue resistance
Athletes train for years to overcome pain, exhaustion, and fatigue. But some people take it too far and are never the same again.
Cycling has always been touted as easy on the knees. But actually preventing arthritis? That’s a new one.
In a recent study, transgender women athletes performed better at some strength and fitness metrics than cisgender women—and worse at others