I'm tired of doubling up old sports bras—aren't you?
The ski mountaineer was known for her relentless summits of the world’s toughest mountains. But the best thing she did for her career was take a break.
A free weekly 5K? What’s not to love.
A new book shows you how to get into the mindset that leads to mastery and peak performance
An active outdoor lifestyle doesn’t end with pregnancy. It's time for gear manufacturers to tap into the growing market of high-performance maternity apparel.
Forget functional fitness. If you want to run whitewater on a SUP, you need focused fitness.
Trying to eat perfectly all the time is a losing battle
What does it take to make the list? Being a winter Olympian, Tour de France rider, or world-class climber helps.
The new running standards are ridiculously complex. Here's what that means.
A new statistical approach brings sophisticated probability analysis to the future of marathoning
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