The wind up your tail

Yesterday morning I went for a 35km cycle with my dad. We were humming for most of the way from Maroochydore to Kawana via Buderim.  Usually our average speed is around 25km/h but this day it was more like 30km/h.  However, half way through the ride things slowed down substantially.  30km/h became 20km/h.  Why?  Wind… Continue reading The wind up your tail