This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. Zone 2 training is a type of cardio exercise where you use your heart rate as a guide to help you find the right intensity for your ...

MARTIN: Did you get a workout in this weekend? How'd it go? MARTÍNEZ: I got two. One was an easy one, and the second one was I put myself through the ringer. MARTIN: (Laughter) Excruciating. OK.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images A half marathon is just a 5km warm-up, a 10k run, and a 5k recovery run, ...

Not all cardio is created equal. And if you’ve been scrolling through social media or having conversations with avid runners or cyclists, you might have heard the term “zone 2 training” thrown around, ...

The cardio world has split into two passionate camps that argue with the intensity of people debating pineapple on pizza. On one side, you have the HIIT devotees who swear by short, brutal workouts ...

A half marathon is just a 5km warm-up, a 10k run, and a 5k recovery run, right? Yes, it’s that easy—especially when you tap into Zone 2 training. With 6 full marathons and over 20 half marathons under ...