Archive

Archive for June, 2009

Commuting calories: walk, run or bike?

June 5th, 2009

New Jockology column now posted here:

THE QUESTION

Will I get a better workout by walking, running or biking my 5K commute to work?

THE ANSWER

Most commuters strive to be as efficient as possible. To get the best workout (specifically, to burn the most calories), you’re better off being inefficient. [continue reading]

A couple of interesting points have already been raised in the comments section, including one about what “net” calories refers to. In brief:

“Net” is referring to the total calories burned while moving a kilometer MINUS the number of calories you would have burned during that time just by being alive (your “basal metabolic rate”). Otherwise walking gets credited with burning a bunch of extra calories just because it takes longer.

As a rough approximation, running burns about 50% more GROSS calories per kilometre than walking, but twice as many NET calories.

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Walking breaks for marathoners

June 4th, 2009

I notice that a recent article about walking breaks during marathon running by New York Times reporter Tara Parker-Pope has been lingering at the top of the “Most Popular” list for several days now. She is preparing for the New York Marathon in November, her first marathon, following the teachings of 1972 Olympic marathoner Jeff Galloway. The principle is simple — stop and walk for a minute after running anywhere from one to 10 minutes — and it has been very effective in helping people to begin and stick with running programs.

That being said, I do feel the need to bring up one longstanding criticism of Galloway’s approach: he oversells it. Read more…