Ask a runner how many miles they run each week, and you will likely get a range: seven to 10 or 15 to 25, for example. That’s ...

Running 26.2 miles is one of the most demanding physical challenges you can take on. Beyond the mental toughness and months of training required, your body burns an extraordinary amount of energy ...

Think your marathon burned exactly 2,600 calories because that’s what your watch said? I hate to break it to you, but your body is way more complicated than that simple math suggests. Here’s what’s ...

For example, your long run is building your body’s tolerance for distance, tempo runs can help you get comfortable running ...

Think your marathon burned exactly 2,600 calories? Your body is way more complicated than that simple math suggests – it actually burns calories in three distinct phases, with the biggest shift ...