I didn't feel like running so I took an extra long walk and did 3 miles. We have a small park in our neighborhood with a circle track around it. I measured it and it takes right at 4 1/2 laps to make 1 mile. I walked a total of 14 laps so just a hair over 3 miles. I used this link and put in my weight and the miles I walked and how fast I walked and it said I burned 430 calories. WOO HOO http://walking.about.com/library/cal/uccalc1.htm
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