Alex Welburn sits where the lab meets the road — a coach and physiologist whose research is on critical power and W', the maths behind how long you can hold any given effort. His value to amateurs is translating those models into training that actually moves the number: which intervals build the threshold, which build the engine above it, and which metrics are worth tracking versus the ones Pogačar's team uses that you don't need. He's a sharp voice against chasing pro data points that mean nothing for a rider on eight hours a week.
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Where Welburn lands on the questions people ask most.