1Into a rhythm
From 10.0 km to 15.1 km
5.0 km · -0.0% average · 27.0 km/h · 167 bpm, peaking at 191
You held a steady 27 km/h through the Stanton Harcourt section on completely flat ground while your heart rate stayed hard at threshold — that's a mismatch worth noticing, because flat roads at that speed don't usually demand it.