Your distance, calories and CO2 saving estimations are based on the duration of your journeys, rather than knowing what distance you travelled.
An assumption is that you cycle at an average of 10km/h (which is typical for urban bike rental scheme use
The CO2 saving and calories burned calculations are based on the method used by Cyclestreets
. This makes some presumptions about what car you might otherwise have driven, your physique, and how fast you
Recorded journeys of under 2 mins that are to the same station aren't included in the final calculations, as they are likely to be instances of where bikes have been taken out but not ridden.