You might need to press the matter to find out.

I also am of the opinion that jogging is overrated. I think much better is something that we used to do in my high school track workouts, it’s an interval training sort of thing, the Swedish word is “fartlek.”

As goofy highschoolers we got a kick out of that word. Ideally done on grass or a beach - you sprint for 100 yards, and then jog for about 100-200 yards. You can get in a pretty good workout in about a mile’s distance. But long jogging, especially on asphalt or the worst, concrete, is not good. Too much impact on the joints.

I suspect playing basketball on concrete and asphalt courts degraded my knees somewhat.

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1986 300SDL, 362K
1984 300D, 138K