At its core, looking at your HRV trend over time gives runners a window into how well they’re balancing training stress with recovery. “Higher HRV is synonymous with having a very healthy nervous ...

These days, it may seem like there’s a million different data points that you’re supposed to keep track of—hello, steps, sleep, and recovery scores!—and it’s difficult to know which ones are worth ...

Advances in wearables technology mean more recreational athletes are taking a data-driven approach to their training. Here ...