. This will dictate how you will use your HRM and what functions yours will need. The monitor will play a key role once you start following a schedule, specifically if you start threshold training (running at your maximum aerobic steady state to improve your speed

-rate controlled threshold or fat- burning runs and random sessions. The variety of these programme options can be overwhelming, and in truth we can do without most of them. On the other hand, custom programmes and heart-rate-control programmes can prove

for your anaerobic threshold if you know it. Alternatively, there's a ‚'free' setting to use just the basic functions. A 'marathon' feature allows you to analyse your time and HR for each mile split. Though it's a fairly sophisticated piece of kit, our