I’m a personal trainer who's tested products for five years. The best fitness trackers are supposed to enhance your fitness journey, not make it harder. But tracking and interpreting your health data ...

Whether you are training for a marathon or working out for the first time in months, a fitness tracker can show you health and exercise data that can help you better understand your efforts. Most have ...

TMZ may collect a share of sales or other compensation from links on this page. New Year's Eve means one thing ... it's time to get serious about those fitness resolutions for 2026! While we can't ...

How I test fitness trackers I’ve tested over a dozen fitness trackers and smartwatches for NBC Select. I am a runner and cyclist, and use fitness trackers to monitor my pace, heart rate and distance.