Matt Hart (@TheMattHart) is a freelance journalist for Outside, an editor-at-large for Trail Runner and a sometime contributor to Mountain magazine. He's been a semi-professional ultrarunner for the past decade with Montrail and Mountain Hardwear, and lives, trains, and writes from Boulder, Colorado.
Matt Hart
Is Your Heart Healthy? Ask Your Phone
Heart-rate apps bring Olympic-caliber recovery to everyone.
The Iron Cowboy Makes Masochism Look Like Fun
James Lawrence completed 50 Ironman distance events in 50 states in 50 consecutive days to bring attention to childhood obesity.
Where in the World Did Karl Egloff Come From?
On February 19, Karl Egloff, finished a hard push to the top of 22,837-foot Aconcagua in 7 hours, 55 minutes, fueled mainly by a handful of energy gels and bars.
The Next Big Thing for Charity Is Running—Wherever You Want
Corporations sponsor the Charity Miles app, which automatically donates money as you exercise.
Your Brain on Pain: The Nolan's 14 Route
The Nolan's 14 and how we are hardwired for adventure.
What It Takes to Finish the World's Toughest Ultra 20 Consecutive Times
On July 11, human anomaly Kilian Jornet smashed the six-year-old course record at the Hardrock 100 Mile Endurance Run. Despite Jornet's unbelievable speed, Coloradan Kirk Apt, who finished in 39:38:...
Tested: Maximalist Shoes of 2014
There are few debates more polarized in the running world than the one between maximalists and minimalists.
A Killer Course
In a race that saw altitude, stormy weather, and course conditions take down some of the best endurance runners on the planet, Kilian Jornet sauntered to a new course record at the storied Hardrock...
Coach's Orders: Turn Your Wi-Fi Off and Turn Your Wife On
Outside catches up with the author of "Beyond Training: Mastering Endurance, Health, and Life" to find out if it's possible to train at a high level while having a family, job, and life outside the...
Top 8 Ultra-Long Distance Adventure Runs
Challenge your abilities with these iconic runs through the wilds of America.
Common Running Injuries (and How to Fix Them)
You love to run. You hate to get hurt. Even if injuries are inevitable, there’s plenty you can do about it. Here’s your guide to fixing the most frequent problems.