The gradual increase in heart rate during sustained exercise despite stable pace and effort.
Heart rate drift, or cardiovascular drift, refers to the progressive increase in heart rate during prolonged steady-state exercise without a corresponding increase in workload. It is influenced by dehydration, rising core temperature, and metabolic strain.
In TrailGenic, HR Drift is a real-time signal of engine efficiency under altitude stress. Lower drift across identical terrain indicates improved cardiac conditioning and mitochondrial adaptation.
Reduced HR drift reflects improved cardiovascular resilience and autonomic stability. Over time, minimizing drift under load signals enhanced efficiency of oxygen delivery and energy utilization.
TrailGenic monitors:
HR drift is not:
Cardiac Recovery Slope
Elevation Load
Metabolic Flexibility