Alex Hutchinson is a National Magazine Award-winning journalist and Outside’s Sweat Science columnist, covering the latest research on endurance and outdoor sports. Earlier this year, Haugen, a ...

Training plans mean different things to different people. Perhaps you’re a seasoned interval trainer, or maybe you’ve never tried one before. Regardless, a good training plan is something we can all ...

FOR YEARS, the fitness world has pitted pilates and strength training against each other. Strength training loyalists argue that barbells, dumbbells, and progressive overload are the only true path to ...

Our Sub-3:45 marathon plans, encompassing five to six runs per week, are aimed at experienced runners who are regularly running a minimum of four times per week. 3-4 runs per week Our Sub-3:45 ...

On the surface, 5K runners and half marathoners have a lot in common: Both lace up their running shoes, consistently pound pavement, and follow a detailed training plan. But when it comes down to ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...