It depends, of course. But on what exactly? Running coach Matt Fitzgerald explains a simple process of finding your ideal heart rate.

Understanding your heart rate is crucial for more than just reaching optimal fitness–it can also help to reduce injury and ...

Most people underestimate treadmill walking. These 7 workouts improve heart health after 40 without running or joint strain.

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 ...

Taking easy runs too fast is a common habit among runners, much to the chagrin of coaches everywhere. I know staying in the zone 2 range is critical for aerobic development, and after lowering my ...

Consistently high heart rate may signal dehydration or poor recovery. Resting heart rate indicates fitness; healthy ranges are 60–100 bpm, 40–50 for athletes. Consistently high or very low heart rates ...

HIIT can help improve speed and power, but longer, steadier workouts that you can do regularly, like swimming and rowing, are ...