Matt Hart is a freelance journalist whose work has appeared in Outside, National Geographic Adventure, and Men's Journal magazine. He resides in Boulder, Colorado.
Heart-rate apps bring Olympic-caliber recovery to everyone.
Inside the often unfortunate, sometimes weird, and occasionally gruesome drawbacks of fitness fanaticism.
For More and More Runners, Ski Mountaineering Is Closing the Winter Fitness Gap
As the sport emerges from its grassroots beginnings, it finds itself at a rather challenging inflection point.
The science is out on whether ultrarunning is good or bad for our hearts—but I'm sure the Hardrock 100 is good for mine.
"If the Altra IQ can make a dent in the astronomical injury rates runners experience, this shoe will spawn a revolution."
The treadmill has long been synonymous with monotony — a place to zone out and pretend you're not watching E!
— Medium magazine
Our innate desire for adventure has some going big in the mountains.
On Life, Kids, And Our Sport's State Of Affairs:
The guy who is snagging Kilian Jornet’s speed records is just getting started.
The Iron Cowboy Makes Masochism Look Like Fun | Out...
A day with ultrarunner Dakota Jones as he prepares for the most competitive 50 mile race ever.
Trail Running’s Persona Non Grata Speaks Out
Ultrarunners chase ski mountaineers at Colorado’s Elk Mountain Grand Traverse.