Justin Nyberg

Hut Check

Eight new tools to help you make the most of your next backcountry foray

The Fast & the Fit

Put that weekly jog to rest and take your training to a new level with our guide to technique, gear, and recovery

Smart Probe

Make avalanche rescues faster—and increase survival odds—with this high-tech tool

City Slicker

Escape from New York (and nine other big cities) with these 40 fast adventures

Drink Responsibly

Groundbreaking new research shows there's a better way to fill your tank

Energizers

Six high-octane sports drinks

My Cyber-Coach

What's it like to have a digital trainer? Research editor Justin Nyberg reports.

Captain Enduro

Meet mountain biker Cameron Chambers, the reigning U.S. king of pain

Happy Feet

Speed hiker Andrew Thompson stomps all over your idea of endurance athletes