Unless I'm sticking to a specific training plan, I don't use any wearables or watches to measure my runs—and it turns out, ...

However, when you buy something through our retail links, Condé Nast may earn an affiliate commission.As a certified personal trainer and fitness instructor, I’m a big fan of IRL classes, but the best ...

Popular fitness trackers like Apple Watch and Fitbit can help provide you with valuable information about your health like heart rate, sleep patterns, and daily step count. However, if you have begun ...