For years, many runners have used heart rate-based training to maximise their running potential. This method includes working at five ‘zones’, where your heart is beating at a percentage of its ...

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You likely know the importance of zone 2 training—low-intensity miles that are the foundation of distance running plans. The challenge? Finding your personal zone 2 range, and sticking to it. That’s ...

Like many new runners, when I first started running I tried to go as hard as I could on every mile, assuming it would make me faster. It worked — to a point. But any benefits I saw were short lived, ...

Running in zone 2, by definition, should feel easy. And that’s a good thing, considering zone 2 runs make up the majority of any good training plan. These easy efforts serve as the building blocks for ...

This story is from Manual, GQ’s flagship newsletter offering useful advice on style, health, and more, four days a week. Sign up here to get it in your inbox. It seems like everybody's in a run club ...

After years of hyping super intense workouts as the best way to exercise, fitfluencers have recently flipped the script. Now, they’re touting easier, chiller zone 2 training as the key to everything ...

Contrary to popular belief, you don’t have to be dripping in sweat and totally out of breath after every stairmaster sesh or afternoon jog. When it comes to cardio, it’s actually better to work ...

Zone 2 only works if you stay there. Here’s how to avoid accidentally going too hard.