The Apple Watch Ultra 3 is a powerful health and fitness watch; that much was evident from its predecessor, the Apple Watch Ultra 2 (otherwise known as the best Apple Watch, in terms of features and ...

Back into fitness after a multi-month hiatus, I was looking for all the help I could get. I agonized over which wearable to commit to (read: procrastinated my first exercise session as long as ...

Pretty much every fitness tracker and smartwatch has an optical heart rate sensor, but they're not always perfectly accurate.

Your heart rate can tell you a lot about your fitness and cardiovascular health. Your heart beats consistently, day in and day out, but you may not generally pay close attention to it. You might take ...

If you spend a lot of time exploring fitness content online, you might have come across the concept of heart rate zones. Heart rate zone training has become more popular in recent years partly because ...

Training for a race doesn’t just mean plotting your weekly miles and heading out the door. You also have to figure out exactly how to approach each run, so you can maximize the benefits. With a mix of ...