D Dfeg Rger New member Dec 22, 2010 #1 run 1/2 mile at decent speed or bike about 3 miles at a fast decent speed going up and down hills? idk wat to choose. i want the one which will burn more calories. what one do u think will be better?
run 1/2 mile at decent speed or bike about 3 miles at a fast decent speed going up and down hills? idk wat to choose. i want the one which will burn more calories. what one do u think will be better?
