Training & Performance
Different workout styles can get you equally fit, but they affect your body differently—which suggests that you should mix it up
Looking to sign up for your first triathlon? We share everything you need to know to help you have a successful first race.
Five moves to get your backside back in action
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.
Athletes like Mikaela Shiffrin have started adopting the training technique to increase endurance, muscle mass, and more
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
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
Your GPS watch and other gadgets are great at describing training, but prescribing it is a harder challenge
A mathematical model explains how endurance and speed come together to determine who will win a last-lap sprint
A new study uses machine learning to quantify the effects of temperature, humidity, heat, and sun
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?
A new study investigates how different types of physical performance are affected by the time of day
A new study suggests that hydrogels enable you to down more carbs with less digestive distress, and race faster as a result.
These tips will help you build up to your running goals and stick to your plan.
Expert strategies and intuitive tech to help you set and achieve your goals
A long-running gym debate about whether to train each limb separately comes to the cycling world
After years of debate on the dangers of “too much exercise,” researchers sum up the state of current knowledge
Electric muscle stimulation claims to be a more efficient form of exercise. Here’s how it holds up.