Reply from Kelly, Age 13 - 8/21/02 - IP#: 148.78.249.xxx   bigbb-c5791

well, i'm not exactly sure, but for a 1/4 mile walk at 2.5 mph, 1/2 mile run at 4.7 mph, and 1/4 mile walk at 2.5 mph it took 20 minutes and burned 106 cals