There’s a reason riders and team directors pore over stage profiles prior to each day of racing. It’s the same reason Lance Armstrong previews portions of the Tour de France route months in advance: the better you know the course, the more you can exploit its features for your benefit.

The Alberto Salazar-coached runner isn’t accused of wrongdoing, but as we’ve learned from cycling, he might as well be

i2P Expedition Bolivia – Day 1: 30 KM from GOi2P on Vimeo. Ultrarunner Ray Zahab is in South America this week, running nearly 200 miles through Bolivia for the fourth stage of the impossible2Possible (i2P) World Expedition Series. Founded by Zahab in 2008, i2P is an organization…

This month in Outside

Dr. Phil Maffetone February 15, 1996 I’m always hungry. How can I stop feeling hungry? I’d like to know more about this 40-30-30 diet How does the 40-30-30 diet affect one’s lipid profile? Should food and fluid intake during competition be 40-30-30 as well?…

Sweet claims its new Grimnir is the first lid on the market certified to protect you in crash while wearing a camera mount.

Features The Outsiders: We bring you the year’s boldest athletes, activists, entrepreneurs, inventors, artists, and lifesavers. From Alex Honnold, whose climbs of El Capitan left us all gasping for air, to the women surfers breaking barriers on the world’s biggest waves, to the Navajo runners uplifting Native American communities, these…

Gociety, a Denver-based startup, wants to harness one of the fastest growing movements in fitness—group workouts.

We spoke to director Nick Ryan about his new film The Summit, which revisits a 2008 tragedy on K2, a mountain for mountaineers

CLIMB FOR CARE Remembering Scott Fischer Scott Fischer When I first met Scott Fischer, I didn’t think I’d like him. Sporting shoulder-length hair, an earring and looks good enough to threaten even Brad Pitt, the 40-year-old professional mountaineer looked not a little like a Viking. He…