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
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
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?
‘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
With its Stolen Starts initiative, New Balance aims to empower more women, grow the sport, and make up for lost time
Oregon voters have opened the door to treating mental illness with substances like ketamine and psilocybin. In a peek at the future, our seeker attends a backwoods retreat where patients get help from a powerful combination of drugs and the outdoors.
A new study investigates how different types of physical performance are affected by the time of day
The Prime X is banned for professional athletes, but that might be its main selling point
A new study suggests that hydrogels enable you to down more carbs with less digestive distress, and race faster as a result.