The best fitness trackers have a very simple purpose of keeping you pacing towards your health goals. Depending on the person, those objectives can range from improving your sleep ...

Your heart rate zones might be completely wrong. Not only are zones defined differently in different apps, they are also ...

Coated in platinum and 18K gold, Ultrahuman's new smart rings offer heart rate, sleep, and stress tracking in a luxurious ...

Wearable devices have come a long way from counting steps or heartbeats, with new tech offering the ability to track blood ...

TrainingPeaks, the third part of my Paris training package, is a fantastic tool that (as the name suggests) provides training ...