REVIEW TomTom Multi-Sport Cardio as part of a quantitative training regime, measuring the facts. Q) Is this watch useful? HOW LONG ARE YOU IN THE ZONE that impacts your outcomes? Do You know if you are ever in the zone?

If you are serious about your training then at some point your logical brain will be exposed to the concept of taking measurements over time from which you can draw conclusions about increases in your capabilities, personal bests, and split test or implement changes to speed, duration, intensity, pyschological inputs (personal and environmental) and nutritional […]