Heart rate – the amount of times that your heart beats in a minute – is a tool that many runners use in training. But it’s what goes on between those beats that indicates how well you’re recovering, ...

Heart rate variability training (HRV) looks at the variation of your heart rate from beat to beat. You see, even when heart rate is stable, say at 60bpm, the gap between each beat is not always 1sec.

Monitoring your body provides valuable information on your adaptation to training, your risk of injury or illness, and your readiness for the next hard training session. The right data can help ...

Wearables have been one of the hottest trends in fitness for years. Top brands like WHOOP, Oura, and Garmin promise smarter training and better readiness, but all that data can be overwhelming if you ...