Use This Simple Progression to Work into a Pistol Squat
A step-by-step guide to help you build up to the ultimate lower-body move
Training & Performance
YouTube Workouts for Every Mood, Activity, and Fitness Level
Miss your go-to barre studio or lifting weights at the gym? Bring some structure into your living-room workouts with these videos that are Outside tested and approved.
What the Future of Fast Marathons Looks Like
Physiologists from around the world share their pet theories and crazy ideas on what it will take to break records
The "World's Toughest Race" Won't Be Stopped by the Coronavirus
Most endurance events are canceled for the summer, but Spartan Race will hold its first event since the pandemic from June 13 to 14 in Florida
Yes, Endurance Athletes Can Build Muscle
A new study of female athletes sees big strength gains from twice-a-week lifting
Who Makes the Best Running Power Meter?
Researchers put the four main running power devices through a series of tests and picked a clear winner
Learn How to Do a Handstand in 3 Minutes
Inversions might seem intimidating at first, but the handstand pose is an attainable goal for any active person with the right mindset
What It Takes to Train for the Grueling Leadville 100
The Leadville 100 is an iconic mountain-bike event that puts racers through a course covering 100 miles and 12,000 feet of elevation change
Climbing's Send-at-All-Costs Culture Almost Ruined Me
Beth Rodden opens up about her decades-long struggle with her body and climbing
How This 46-Year-Old Kayaker Finds Balance in Chaos
Anna Levesque uses yoga to slow down and fight self-doubt