So i Have an HRM Dual, HRM pro and HRM Pro plus. Every single one of them shows a heart rate 30 to 40 beats high for the first Kilometer of a run. I thought it was just my HRM Pro, but its all of them. This is across multiple watches, i have seen the issue with my Fenix 6X, forerunner 945 LTE and Apple Watch Ultra. WTF, doesn't happen when cycling, just running and Garmin does nothing about it. You can see as soon at the run starts… right to 160bpm