Strava's new Training Zones feature promises to help runners and cyclists better understand their training load across metrics like heart rate, power, and pace. That sounds like useful information, ...

Zone 3 is kind of like the goldilocks of run training: It’s not too fast and not too slow. Instead, it’s an in-between effort often described as “comfortably hard.” “Zone 3 training is great,” Brant ...

For years, many runners have used heart rate-based training to maximise their running potential. This method includes working at five ‘zones’, where your heart is beating at a percentage of its ...

Cardiorespiratory fitness exercise, often called aerobic or “cardio” training, is important for heart health, weight control, and overall fitness. This training can be broken down into five categories ...

Meredith Dietz is Lifehacker’s Senior Staff Writer. She earned her bachelor’s degree in English and Communications from Northeastern University, where she graduated as valedictorian of her college.

Aerobic exercise is essential for fitness, weight loss and overall health. One way to optimize your exercise routine is to understand the concept of "training zones." These zones are based on your ...