1The fast stretch
From 3.8 km to 5.2 km
1.5 km · -1.0% average · 29.2 km/h · 142 bpm, peaking at 152
That shallow drop past Curbridge pulled your heart rate up into the 140s even though the pace and terrain didn't really demand it—watch that you're not working harder than the ground asks, especially this early in the ride.