Our Sweat Science columnist spent two months measuring his blood sugar around the clock. Here’s what he found.
The first-ever Graphene foam hiking boot delivers unprecedented energy return and cushioning.
Improve your running by integrating these strength, mobility and balance exercises into your daily routine—so you'll be sure to do them regularly.
New big-data study digs into hitting the wall in the marathon, revealing who is most likely to crash, when, and how much it will cost you.
The Olympic medalist turned coach didn’t have time to fully prepare and almost burned out mid-quest. Here’s how she adapted and finished strong.
Athletes like Mikaela Shiffrin have started adopting the training technique to increase endurance, muscle mass, and more
Looking for an extra boost of motivation? Find someone to share the miles with this winter.
Expert advice for lacing up and running bold in the cold
The case for an event that’s somewhere between the Boston Marathon and the Olympic Trials
The genes that make some people vulnerable to a fatal heart stoppage may be the same ones that give them an athletic edge, researchers suggest
LA Saves Track wants to give the oldest high school in the city a facility it can be proud of
Want to keep training this winter but finding it hard to motivate? Find a partner.
The cold season can throw lots of different conditions your way, but with a little prep, you can keep training through any weather.
Mike McCastle has found a very unusual way to benefit others: by enduring agonizing physical challenges
While the benefit to giving elite women their own race seems obvious, the question of giving male marathoners a separate start is more contentious
After upgrading his medicine cabinet, one Outside editor credits the Superberry Overnight Mask with his biggest skin transformation
Aerobic capacity, not speed, is usually the limiting factor in how fast you can race, even for a distance as short as the 5K.
Change offered an elite athlete an opportunity to better understand herself—and what she still wants from her sport
Your GPS watch and other gadgets are great at describing training, but prescribing it is a harder challenge
Actually, we can’t get everything we need from nature
A visit to Eliud Kipchoge’s Kenyan training camp reveals how he dominates the marathon world
A mathematical model explains how endurance and speed come together to determine who will win a last-lap sprint
In the second edition of the Max Vert October challenge, Christopher Fisher spent ten hours a day running up and down a mountain
A new study uses machine learning to quantify the effects of temperature, humidity, heat, and sun
This short track session of 400-meter repeats will help you get fit fast. Here's a beginner and an advanced version.
Make sure to include these smart, specific workouts in your half marathon training to land you that PR.
Tips and examples on how to optimally schedule your runs throughout the week
Scientists take their equations for the energy demand of hills and rough terrain out into the real world
Sound impossible? Runner Jordan Tropf has put in the work—here’s how he pulled it off.
Over the past few years, McCastle has completed 5,804 pull-ups in a single day, pulled a 5,000-pound truck across the Mojave Desert, and climbed a rope the equivalent height of Mount Everest. How on earth has this Navy SEAL dropout accomplished some of the craziest physical feats in recent memory?
Corno shares her mindful, relaxed training plan and the key workouts that have her feeling “scary good” going into the Boston Marathon.
‘What It Takes’ provides an authentic glimpse of what an ultramarathon is all about, the importance of the support crew, and the strategy needed to win
In Episode 18 of the Endurance Podcast, host Ian Sharman talks with biomechanist and ultra-runner Geoff Burns about the tech, controversies, comparisons, and benefits of today's super shoes.
A new analysis of numerous studies sheds light on how, contrary to popular belief, running may actually build stronger cartilage. Here's what that means for training on arthritic joints.
A guide to help college students navigate the NIL sponsorships and NCAA ruling maze.
Rouse gets in 100-mile weeks around a busy schedule as she looks to PR and compete for the masters title at Boston.