Why Heart Rate And Pace Fail On Trails

Heart rate or pace? For years, runners have debated which is better, but both measure different parts of the same effort. In this episode, CTS Director of Coaching Cliff Pittman explains why RPE is the missing piece, how perceived effort integrates cardiovascular strain, metabolic demand, and mechanical loading, and why learning to trust it can improve both training and race-day pacing. HOST Cliff Pittman is the Coaching Development Director at CTS, leading the Ultrarunning and Cycling Coac...