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 ...

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

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 ...

You can also test the accuracy of your numbers out on the run, for example by running at what feels like a hard pace (using the ‘talk test’, you should only be able to get two or three words out at a ...

Have you ever listened to one piece of advice that stuck with you so much it changed the way you experience and analyze your running? It’s a powerful thing. That’s what happened when I learned a ...

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 ...

Polarized training has been a key endurance training idea over the past two decades. Has it become the de facto training ...

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 ...

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 ...