1The climb
From 16.7 km to 18.2 km
1.5 km · +90 m at 6.0% · 12.2 km/h · 163 bpm, peaking at 173
The climb near Brill forced you into a gear that saw your heart rate spike well above your average for the rest of the ride. Since this came halfway through, that jump in intensity suggests you were either fighting the gradient or simply overcooked the effort to clear the top.