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Scientists have already created a device that reduces the energy cost of running and predict mainstream applications within four years.
She won Olympic gold in a sport that chose her. Can she do the same in the one she truly loves?
The perfect summer day in this California beach town
Forget about counting reps in your head. This clever jump rope uses embedded LEDs to project that number in front of you.
American churches are building first-class gyms to get followers in shape and attract new members to the flock. Critics see lucrative businesses masked as ministries, but the programs are a spirited defense against our obesity epidemic.
How endurance athlete Patrick Sweeney puts away nearly 3,000 calories a day on the ketone diet
Two weeks of full-time, one-on-one instruction at Exos can set you back $4,800. Here’s how to get many of the same performance benefits without taking out a second mortgage.
On-the-go fitness tools for athletes
Goodbye crazy binges, hello almond butter?
An expert look at the most feasible—and nuttiest—submissions
A crude guideline for randy athletes
A compelling case for ditching hill repeats
Inside Specialized and Stanford University’s new alliance to research cycling’s effects on kids with ADHD
The suit, filed after 28-year-old Avishek Sengupta drowned at the 2013 Tough Mudder Mid-Atlantic event, had major implications for the obstacle-course-racing industry
The secret to unlocking your athletic potential is in your genes, but scientists don’t know what they’re telling us—yet
And why they’re more susceptible to diet trends
And when they'll be smashed—because half the fun of records is watching them fall
Inside the revolution to reclaim city waterways for recreation
Sorry, that wildly popular New York Times story is not for you
Secrets to lasting focus and motivation