To get a heart rate reading, the UltraTread pairs with the Apple Watch (the only fitness tracker it's currently compatible ...

Zone 2 is a buzz word among runners these days. But, what the heck does that even mean? In the simplest terms, your heart ...

Choosing your pace based on the physiological transition from easy to hard is more effective than calculations based on ...

According to one expert, while zone 0 exercise may not give the same burn as others, the effortless movement does have its ...

Understanding your heart rate can be helpful to calibrate your perceived exertion, especially on easy and steady runs. This ...

Yes, walking can help your meet your fitness goals. A sports medicine physician shares a step-by-step guide to burning fat ...

Zone 2 is good for long sustained efforts. It's usually OK to do zone 2 in place of a rest day. Zone 3 helps you adapt to ...

Watch says you’re in the red but body feels fine? You’re not imagining it. Discover why 220 minus age fails women and how to ...

AI is everywhere, but just how useful is it for triathletes? Charlie Allenby puts one of the latest AI-based training tools ...

If you’re still trying to sort out your 2026 New Year’s Resolutions, chances are you’re debating whether or not you need a ...