After a three-mile outdoor run with GPS active and no phone, plus a full day of notifications popping up on its always-on ...

Understanding your maximum heart rate can help you to define your training zones and be smarter with your running.

The Amazfit Balance 2 sits in the upper middle of Amazfit’s catalogue of products, above the more budget friendly Active ...

Dual chips, dual operating systems and longer run times than just about any Wear OS watch. It’s no secret that battery endurance has always been ...

We tested Garmin’s GPS-enabled fitness trackers and found the perfect picks for casual hikers, backcountry skiers, and more.

This bicep-based monitor tracks heart rate within a beat or two—making it a strong option for runners who hate chest straps.

Polar's best heart rate monitors are on sale for Amazon's Big Spring Sale, including the H10 (27% off), H9 (19% off), and ...

Save $35 on Garmin's premium Forerunner 970 GPS smartwatch for runners and triathletes, featuring an AMOLED display, titanium ...

University of Washington researchers built a smartphone app that tracks fetal heart rate as accurately as clinic tools. No extra hardware, no gel, just the phone’s own speaker and microphone. It’s ...

Apple Watch heart rate tracking now rivals medical-grade devices when settings and calibration are optimized. Using advanced optical sensors with green LEDs, Series 4 and newer models continuously ...