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 ...

Choosing your pace based on the physiological transition from easy to hard is more effective than calculations based on ...

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 ...

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 ...

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 ...

Threshold work is one of the cornerstones of training for runners who are tackling all manner of distances, from 800m on the track to day-long ultramarathons on the trails. But while all runners can ...

Runners love data. Dedicated runners often have as many sources of data as they have pairs of shoes. There’s the Garmin, the Strava account, the handwritten training log, and the backup ...

We look at how off-season marathons, 28-hour weeks and keeping calm all form the new picture of WorldTour training plan - and include a sample training plan When you purchase through links on our site ...