Apple WatchOS 9 adds new features for runners and triathletes

The Workout app’s new metrics for runners include stride length, ground contact time and vertical oscillation

Heart rate and pace: how to compare these metrics to improve performance

Heart rate and pace are useful data independently, but when you put them together they can tell you a lot about your fitness

Coros announces new training platform called Training Hub

Coros Training Hub will sync free with Coros watch owners but will also have connections with Garmin and Polar users