In 2014, the International Olympic Committee unveiled something it called “relative energy deficiency in sport,” or REDs. The ...

The Great Saunter route took me around the entire perimeter of Manhattan. All that walking helped me rethink my marathon ...

Lisa Jhung writes about running and other outdoor sports and the gear that goes with them as a freelance writer and adventurer living in Boulder, Colorado. Let’s face it: It’s a tough time ...

Is your trip stuck in the group chat? With G Adventures, you can travel for yourself without going by yourself.

Discover America's most scenic roads with the top national park drives. Our guide features eight stunning scenic routes with ...

Alex Hutchinson is a National Magazine Award-winning journalist and Outside’s Sweat Science columnist, covering the latest research on endurance and outdoor sports. New perk: Easily find new ...

Here are 9 hush-hush destinations for your next quiet adventure.

The author analyzes the official trailer for ‘The Surfer,’ which blends paranoia, violence, and wave riding in a frothy mix ...

Pro-climber Sasha DiGiulian shares a homemade date-based protein bar recipe. I made it and asked a nutritionist to assess its benefits.

A nonprofit is tallying up how many NPS employees have been let go from each park. A key asset has been social media posts ...

New perk: Easily find new routes and hidden gems, upcoming running events, and more near you. Your weekly Local Running Newsletter has everything you need to lace up! Subscribe today. Dear Sundog ...

New perk: Easily find new routes and hidden gems, upcoming running events, and more near you. Your weekly Local Running Newsletter has everything you need to lace up! Subscribe today. Truck ...