1Into a rhythm
From 10.1 km to 15.1 km
5.0 km · +0.2% average · 25.8 km/h · 157 bpm, peaking at 164
That five-kilometre run past Ducklington sits right where you needed to push, and you held your speed steady at a good clip while your heart rate climbed into tempo work—sustainable, but noticeably harder than the rest of the ride.