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 ...

The first rule of scientific fight club is that you have to agree on what you’re fighting about. A newly published debate on the merits of polarized training in endurance athletes, in Medicine & ...

Running a half or full marathon is on many runners’ bucket lists, but to be the best runner possible, it’s important to regularly challenge yourself with different distances and types of runs—and that ...

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 ...

Running seems like a simple sport. But once new runners start hanging around other runners, they start to hear about long runs, tempo runs, speed workouts, strides, hill workouts, and even the strange ...

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 ...