I had an interesting realization yesterday while doing a hard session on Zwift that after twenty-some years of endurance racing and having “max heart rate” be some sort of nebulous concept, that it may be actually dropping enough […]
I had an interesting realization yesterday while doing a hard session on Zwift that after twenty-some years of endurance racing and having “max heart rate” be some sort of nebulous concept, that it may be actually dropping enough […]