Elite endurance athletes are often held up as the healthiest people on the planet, yet a growing body of evidence shows they ...

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. If American ...

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 routes ...

Endurance means a lot of different things to different people. To runners, it means being able to run for a long time, covering many miles. To weightlifters, it might mean being able to lift heavy ...

Distance-running plans are chock-full of workouts that improve metrics like VO2 max and lactate threshold to help you run faster for longer. But coach Scott Johnston looks beyond these traditional ...

As we stood near the cliff’s edge of the South Rim of the Grand Canyon, my mind had a hard time grasping just how high it really was — and my eyes had a hard time figuring out just how far it was to the ...