If you are trying to improve your fitness / race performance then you MUST include some INTERVAL sessions in your training. The Polar Flow service features an easy to use PHASED training plan. Once created, this plan can be stored in your M400, V800, M450 or V650 for future use.
Is there a particular heart rate monitor that is best suited for those undertaking a HiiT programme? We think there is. Here we have the best HRM for High Intensity Interval Training ….