Originally Posted by
enigmaT120
I think KraneXL means that if you are any kind of athlete, you can't walk fast enough to make it a real cardio exercise where your heart rate goes up and you have to start breathing harder. Unless you carry a pack or walk uphill all the time. I can walk really fast but it's not really an exercise. I have to run for that.
July 2017 Olympian walks the 1 mile in 5:31.08
https://olympics.nbcsports.com/2017/...d-record-mile/