Training intensity distribution is all the rage. If you walk into a crowded auditorium of exercise physiologists and announce your feelings on it, you might start a fight or an orgy. People are ready ...

We sat down with HYROX master coach Tiago Lousa to break down the real method to race-day speed, the mistakes holding athletes back and the fixes that make you faster without blowing up. Whether ...

F or many would-be marathoners, January seems as good a time as any to dust off their trainers and begin the journey to ...

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 ...

There’s a reason that well-developed training plans don’t immediately kick off with sprint workouts or 18-mile runs: The body needs time to gradually adapt to the demands of training. Periodized ...

Whether you get on your bike for fun, competition, or a bit of both, if you haven’t been periodizing your training, you may be missing out. Periodization—or strategically planning your training in a ...

Not that it was ever unpopular, but it’s fair to say that running is going through somewhat of a renaissance right now. Data released by Sport England in April of this year revealed that 250,000 more ...

A prime example may be Jim Walmsley, whose training in the Grand Canyon before Western States famously involved lots of running up steep grades. My guess is that Zone 2 climbing explains how some ...