Jack Daniels

Jack Daniels’ Running Intensity

How do you measure intensity? So many coaches use so many different methods, power, Heart Rate (HR), three zones, five zones, seven zones?? I’ve been planning a series of weekly articles for over a year now, looking at what different coaches prescribe (or used to prescribe) and why. This is the third article in the series, using Jack Daniel’s Running Formula as the primary reference.

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Joe Friel

Joe Friel’s Cycling Intensity

How do you measure intensity? So many coaches use so many different methods, power, Heart Rate (HR), three zones, five zones, seven zones?? I’ve been planning a series of weekly articles for over a year now, looking at what different coaches prescribe (or used to prescribe) and why. This is the second article in the series, using Joe Friel’s The Power Meter Handbook as the primary reference.

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Spencer Smith’s Cycling Intensity

How do you measure intensity? So many coaches use so many different methods, power, Heart Rate (HR), three zones, five zones, seven zones?? I’ve been planning a series of weekly articles for over a year now, looking at what different coaches prescribe and why. This first article comes after finding an old magazine article about Spencer Smith’s coach Bill Black and his definitions of various zones.

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