Many people,including me,find a running machine workout more draining than the same activity on a sidewalk or track.In a 2012experiment,runners were asked to jog on a track while rating how difficult the exercise felt.Then they hopped on running machines without speed displays and were told to set the machine to a pace that felt the same as what Many people, including me, find a running machine workout more draining than the same activity on a sidewalk or track. A 2012 experiment, runners were asked to jog on a track while rating how difficult the exercise felt.Then they hopped on running machines without speed displays and were told to set the machine to a pace that felt the same as what