There are 4 things slowing you down when you start your ride: gravity from the weight of you and your bike, aerodynamic drag from you cdA...

As humans, we can only exercise at a high workload for a short amount of time. That kind of high power can be compared to a car's nitro...

Training zones; what are they, what are the different categories and what's included in them, and how do we measure our training zones.